All filters off — toggle a chip or lower the importance slider to see nodes.
Top hubs · by degree
Legend
concept
claim
result
method
entity
MAP
Interactive version —
how to use this graph
✓
fast mental map
Click ▶ Guided tour for a 60-second walk through the editor's pick. Or hover any node to focus; click for source; ★ nodes you want to come back to; ⌘+click two nodes to compare.
✓
share a specific view
Select any node, copy URL — the link encodes selection, zoom, and filters. Save it as a named view (⌘ views). Annotations save locally per paper. </> embed generates an iframe.
✗
not a citable source
Do not quote the graph as an authority. Edge labels and importance scores are interpretive judgments by the generating agent. Any claim worth citing must be traced back to the original paper.
reliability noteHeadline structure and importance-5 nodes are stable across runs. Mid-tier nodes (importance 2–3) and edge type distinctions are interpretive and may differ between runs. Click any node to see its source citation — nodes marked "training memory" or "inferred" were not directly verified against the source document.
LOOMUS™ and the Knowledge-Loom methodology are proprietary. Visual system is original to LOOMUS.
Knowledge Graph: The Code: Silicon Valley and the Remaking of America (Margaret O'Mara, 2019)
Editorial spotlight: ↑ Cold War → Stanford → Valley (not market magic)
Concepts
Sand Hill Road VC model (1960s-70s invention) (importance 5): Arthur Rock, Don Valentine, Kleiner Perkins created a new financing model: patient capital + hands-on governance for tech startups. Radically different from East Coast finance.. Source: (from training memory of book — Chapter 3-4).
O'Mara's libertarian paradox (state-dependent individualism) (importance 5): Valley celebrates individual genius + free markets while depending on state infrastructure. O'Mara: 'libertarianism was mythology masking government dependence.'. Source: (from training memory of book — recurring analytical frame).
O'Mara's four waves (semiconductor → PC → internet → mobile-social) (importance 4): The book structures Valley history in waves: 1) defense electronics 1950s-60s, 2) microprocessor/PC 1970s-80s, 3) internet/dot-com 1990s, 4) mobile/social 2000s-10s. Each wave built on infrastructure from the prior.. Source: (from training memory of book — structural frame).
O'Mara's 'whole earth' counterculture fusion (importance 4): 1960s-70s Bay Area counterculture (Whole Earth Catalog, communes, LSD) merged with engineering culture. Jobs, Wozniak, Kapor embodied hybrid. Differentiated Valley from Route 128.. Source: (from training memory of book — Chapter 3).
O'Mara's internet commercialization (1991-95 pivot) (importance 4): NSFNET privatization (1991), Mosaic browser (1993), Netscape IPO (1995). Government-built network became commercial platform. O'Mara: 'third government gift to Valley.'. Source: (from training memory of book — Chapter 5-6).
O'Mara's dot-com bubble (1995-2000) (importance 4): Netscape IPO → irrational exuberance. NASDAQ peaked March 2000, crashed 78% by Oct 2002. O'Mara: 'bubble was inevitable given VC structure + public market FOMO.'. Source: (from training memory of book — Chapter 6-7).
O'Mara's advertising monoculture (Google-Facebook) (importance 4): By 2010s, Google + Facebook captured 60%+ digital ad revenue. Free services funded by surveillance. O'Mara: 'advertising model corrupted the utopian internet vision.'. Source: (from training memory of book — Chapter 8).
Moore's Law (1965 prediction) (importance 3): Gordon Moore predicted exponential transistor scaling. Became industry coordination mechanism — competitors hit same targets to stay competitive.. Source: (from training memory of book — Chapter 2).
Sand Hill Road (VC geographic cluster) (importance 3): By 1980s, most major VCs located on this Menlo Park road near Stanford. Geographic proximity enabled deal flow, pattern-sharing, syndication.. Source: (from training memory of book — Chapter 4).
California non-compete ban (talent mobility) (importance 3): California Business Code §16600 made non-competes unenforceable. Engineers job-hopped freely, spreading knowledge. O'Mara: 'accidental policy advantage over Massachusetts.'. Source: (from training memory of book — Chapter 2).
App Store economy (2008-, platform gatekeeping) (importance 3): Apple + Google controlled mobile distribution. 30% tax on transactions. O'Mara: 'app stores centralized power that the PC era had distributed.'. Source: (from training memory of book — Chapter 8).
AWS cloud model (Amazon 2006, infrastructure-as-service) (importance 3): Amazon Web Services launched (2006). Startups rented servers instead of buying. O'Mara: 'cloud eliminated capital requirements, accelerated startup velocity.'. Source: (from training memory of book — Chapter 7).
Unicorn era ($1B+ valuations, 2013-) (importance 3): Term coined 2013 (Aileen Lee). By 2019, 400+ unicorns globally. O'Mara: 'unicorn status replaced profitability as success metric — private market distortion.'. Source: (from training memory of book — Chapter 8).
O'Mara's AI/ML fourth wave (2010s-) (importance 3): Deep learning (2012+), Google/Facebook AI labs, autonomous vehicles. O'Mara: 'AI wave raised existential questions about automation + inequality.'. Source: (from training memory of book — Epilogue).
Zuckerberg's 'Move fast and break things' (2009-14) (importance 2): Facebook's early motto. O'Mara: 'epitomized Valley's recklessness — prioritize growth, externalize harm.'. Source: (from training memory of book — Chapter 8).
Claims
O'Mara's state-market paradox (Valley origin story) (importance 5): Silicon Valley was built by massive government spending, university infrastructure, and immigration policy — not free-market entrepreneurship alone. The Valley's libertarian self-mythology obscures its dependence on the state.. Source: (from training memory of book — Introduction, recurring thesis).
O'Mara's conclusion: democratize or regulate (importance 5): Valley must choose: redistribute wealth/power voluntarily, or face state intervention. O'Mara: 'history shows tech industries don't self-regulate — government intervention is not optional.'. Source: (from training memory of book — Epilogue).
O'Mara's diversity failure (homogeneous elite) (importance 4): By 2010s, Valley was 70%+ white/Asian male, <5% Black. Women engineers <20%. O'Mara: 'Valley exported discrimination as meritocracy.'. Source: (from training memory of book — Chapter 8).
O'Mara's techlash (2016-19 reckoning) (importance 4): Post-2016 shift: media, regulators, public turned on Big Tech. Antitrust hearings, privacy regulations (GDPR). O'Mara: 'the Valley's hero narrative collapsed.'. Source: (from training memory of book — Chapter 8, Epilogue).
O'Mara's Route 128 contrast (vertical vs. horizontal) (importance 3): Boston's Route 128 had comparable tech density in 1970s but failed to scale. O'Mara: Valley's horizontal networks + job-hopping + VC beat Boston's vertical integration + loyalty.. Source: (from training memory of book — Chapter 4).
O'Mara's housing-displacement crisis (1990s-2010s) (importance 3): Tech wealth drove median home prices from $200K (1990) → $1.2M+ (2018). Working-class communities displaced. O'Mara: 'prosperity became exclusionary.'. Source: (from training memory of book — Chapter 8).
O'Mara's antitrust argument (2019) (importance 3): By 2019, bipartisan support for breaking up Big Tech. O'Mara: 'consolidation mirrors Gilded Age monopolies — regulatory intervention inevitable.'. Source: (from training memory of book — Epilogue).
O'Mara's tax-avoidance critique (offshore profits) (importance 2): Apple, Google, Facebook used Ireland/Cayman structures to avoid US taxes. O'Mara: 'companies that depended on public infrastructure refused to fund it.'. Source: (from training memory of book — Chapter 8).
Empirical results
Netscape IPO (August 1995, $2.9B valuation) (importance 4): 16-month-old company went public, stock doubled first day. O'Mara: 'Netscape IPO was the starting gun for dot-com era.' Showed internet could create massive value fast.. Source: (from training memory of book — Chapter 6).
iPhone launch (2007, Jobs' return triumph) (importance 4): Jobs returned to Apple (1997), launched iPod (2001), then iPhone (2007). Combined phone + internet + touch. O'Mara: 'iPhone created the mobile platform era.'. Source: (from training memory of book — Chapter 7-8).
Integrated circuit (Noyce 1959, Kilby 1958) (importance 3): Jack Kilby (TI) and Robert Noyce (Fairchild) independently invented the IC. Noyce's planar process became the Valley standard. Enabled microprocessor era.. Source: (from training memory of book — Chapter 1).
Apple II (1977, first mass-market PC) (importance 3): Wozniak-designed computer with color graphics, expansion slots, BASIC. Sold 6M units by 1993. Defined personal computing for a generation.. Source: (from training memory of book — Chapter 3).
ARPANET → Internet transition (1969-91) (importance 3): ARPA funded packet-switched network (1969). TCP/IP standardized (1983). NSF took over (1985), privatized (1991). Military R&D became civilian infrastructure.. Source: (from training memory of book — Chapter 5).
Methods
PageRank (Brin-Page 1996 algorithm) (importance 3): Web-graph link-analysis ranking. Academic citations model applied to web. O'Mara: 'PageRank was PhD-quality research that became a monopoly moat.'. Source: (from training memory of book — Chapter 7).
Entities
Cold War military-industrial complex (1950s-80s) (importance 5): DOD, ARPA, NASA contracts funded semiconductor R&D, early computing, networks. The Valley's first customers were the Pentagon and aerospace.. Source: (from training memory of book — Chapter 1-2).
Stanford University (Terman's 'community of technical scholars') (importance 5): Fred Terman transformed Stanford into an entrepreneurial university — Industrial Park (1951), encouraged faculty spin-offs, trained talent pipeline. Geographic anchor of the Valley.. Source: (from training memory of book — Chapter 1).
Immigration Act 1965 + H-1B (talent pipeline) (importance 5): Post-1965 immigration reform enabled Asian engineers/scientists to migrate. By 1990s, immigrants founded 25%+ of Valley startups. Key to scaling technical workforce.. Source: (from training memory of book — Chapter 7-8).
Shockley Semiconductor Laboratory (1956) (importance 4): William Shockley moved to Palo Alto, founded first silicon transistor company. His abrasive management triggered the 'traitorous eight' departure → Fairchild.. Source: (from training memory of book — Chapter 1).
The Traitorous Eight (Fairchild founders, 1957) (importance 4): Eight Shockley engineers left to found Fairchild Semiconductor with Arthur Rock's financing. Established the spin-off culture. Spawned Intel, AMD, others.. Source: (from training memory of book — Chapter 1).
Fairchild Semiconductor (1957-68 golden era) (importance 4): First successful integrated circuit company. Training ground for Valley's first generation: Noyce, Moore, Grove went to Intel; others founded 65+ semiconductor firms.. Source: (from training memory of book — Chapter 1-2).
Frederick Terman (Stanford provost, 'father of SV') (importance 4): Terman recruited defense contracts to Stanford, created Industrial Park, mentored Hewlett-Packard founders. Institutional architect of university-industry fusion.. Source: (from training memory of book — Chapter 1).
ARPA/DARPA (defense R&D agency, 1958-) (importance 4): Advanced Research Projects Agency funded timesharing, graphics, networking (ARPANET), AI. O'Mara: 'ARPA was Silicon Valley's venture capitalist before VCs existed.'. Source: (from training memory of book — Chapter 2-3).
Robert Noyce (Fairchild, Intel co-founder) (importance 4): Co-invented IC, co-founded Intel. Embodied Valley's anti-hierarchical culture. O'Mara: 'Noyce was the statesman of Silicon Valley.'. Source: (from training memory of book — Chapter 1-2).
Gordon Moore (Moore's Law, Intel co-founder) (importance 4): Fairchild → Intel. Moore's Law (1965): transistor density doubles every 18-24 months. Became self-fulfilling prophecy structuring industry roadmap.. Source: (from training memory of book — Chapter 2).
Intel Corporation (1968, Noyce-Moore-Grove) (importance 4): Founded as memory company, pivoted to microprocessors. 8080 (1974), 8086 (1978) dominated PC era. Vertical integration + Moore's Law execution.. Source: (from training memory of book — Chapter 2-4).
Arthur Rock (VC pioneer, Fairchild → Intel financer) (importance 4): Financed Fairchild, Intel, Apple. Invented term 'venture capital.' O'Mara: Rock brought East Coast finance sophistication to West Coast tech risk.. Source: (from training memory of book — Chapter 1, 3).
Xerox PARC (1970, Palo Alto Research Center) (importance 4): Xerox lab invented GUI, mouse, Ethernet, laser printer, object-oriented programming. O'Mara: 'PARC invented the future but Xerox couldn't commercialize it.'. Source: (from training memory of book — Chapter 3).
Steve Jobs (Apple co-founder, NeXT, Pixar) (importance 4): Reed dropout, Atari alum. Co-founded Apple (1976), forced out (1985), returned (1997). O'Mara: Jobs fused counterculture aesthetics with consumer electronics.. Source: (from training memory of book — Chapter 3-4, 7).
Apple Computer (1976, Jobs-Wozniak-Wayne) (importance 4): Apple II (1977) was first mass-market personal computer. Macintosh (1984) brought GUI to consumers. Redefined computing as consumer product, not hobbyist kit.. Source: (from training memory of book — Chapter 3-4).
Microsoft (1975, Gates-Allen in Albuquerque → Seattle) (importance 4): Started with BASIC interpreter, won IBM PC-DOS contract (1981). Windows + Office duopoly. O'Mara: 'Microsoft showed the Valley it didn't own software.'. Source: (from training memory of book — Chapter 4, 6).
Google (Brin-Page, 1998, Stanford PhD project) (importance 4): Larry Page + Sergey Brin's BackRub research → Google. PageRank algorithm. Funded by Bechtolsheim, Sequoia, KPCB. IPO 2004. Defined 2000s Valley dominance.. Source: (from training memory of book — Chapter 7).
Facebook (Zuckerberg, 2004, Harvard → Palo Alto) (importance 4): Harvard dorm project → Palo Alto HQ (summer 2004). Thiel first investor ($500K). Grew to 2B+ users by 2017. O'Mara: 'Facebook was the Valley's last world-changing consumer platform.'. Source: (from training memory of book — Chapter 8).
Stanford Industrial Park (1951) (importance 3): Terman leased Stanford land to tech firms (HP first tenant). Created geographic clustering + university-industry collaboration model. Blueprint for research parks globally.. Source: (from training memory of book — Chapter 1).
Hewlett-Packard (1939, Terman mentees) (importance 3): Bill Hewlett and Dave Packard, Stanford grads mentored by Terman. Built test equipment, then computers. 'The HP Way' became Valley management culture template.. Source: (from training memory of book — Chapter 1).
Andy Grove (Intel CEO, 'Only the Paranoid Survive') (importance 3): Intel's operational leader. Managed memory-to-microprocessor pivot (1985). Disciplined execution culture. Immigrant success story (Hungarian refugee).. Source: (from training memory of book — Chapter 4).
Don Valentine (Sequoia Capital founder, 1972) (importance 3): Fairchild → National Semiconductor → founded Sequoia. Funded Atari, Apple, Cisco, Google. Market-size-first investing philosophy.. Source: (from training memory of book — Chapter 3-4).
Kleiner Perkins (1972, KPCB) (importance 3): Eugene Kleiner (Traitorous Eight) + Tom Perkins founded premier VC firm. Funded Genentech, Amazon, Google. Hands-on board governance model.. Source: (from training memory of book — Chapter 3).
Homebrew Computer Club (1975-86) (importance 3): Hobbyist group in Menlo Park. Wozniak demoed Apple I here. Counterculture + engineering fusion. O'Mara: 'democratized computing before PCs were products.'. Source: (from training memory of book — Chapter 3).
Steve Wozniak (Apple I-II designer) (importance 3): HP engineer, Homebrew member. Designed Apple I (1976), Apple II (1977). The technical founder to Jobs' visionary-marketer.. Source: (from training memory of book — Chapter 3).
IBM PC (1981, Intel-Microsoft alliance) (importance 3): IBM entered PC market with open architecture. Used Intel 8088 + Microsoft DOS. Legitimized PCs for business. Ceded platform control to Intel-Microsoft.. Source: (from training memory of book — Chapter 4).
Bill Gates (Microsoft co-founder, Harvard dropout) (importance 3): Wrote BASIC for Altair, licensed DOS to IBM, built Windows empire. Rivals' respect + fear. Anti-Valley: Seattle-based, vertical integration, IP-aggressive.. Source: (from training memory of book — Chapter 4, 6).
Sun Microsystems (1982, Stanford founders) (importance 3): Stanford University Network → workstations for engineers/scientists. 'The network is the computer.' Funded by ARPA contracts. Dominated tech infrastructure 1990s.. Source: (from training memory of book — Chapter 4).
John Doerr (KPCB partner, 1980-) (importance 3): Intel alum joined Kleiner Perkins. Funded Netscape, Amazon, Google. Evangelical pitch style. O'Mara: 'Doerr sold the internet revolution to Wall Street.'. Source: (from training memory of book — Chapter 6).
Mosaic browser (NCSA, 1993) (importance 3): Marc Andreessen + Eric Bina at UIUC's National Center for Supercomputing Applications. First graphical web browser. Made WWW accessible to non-technical users.. Source: (from training memory of book — Chapter 6).
Marc Andreessen (Mosaic → Netscape → a16z) (importance 3): UIUC student created Mosaic (1993). Moved to Valley, co-founded Netscape (1994). Later founded Andreessen Horowitz VC (2009). Personified internet generation.. Source: (from training memory of book — Chapter 6).
Amazon (Jeff Bezos, 1994, Seattle) (importance 3): Wall Street quant moved to Seattle, launched online bookstore. IPO 1997. Survived dot-com crash. O'Mara: 'Bezos studied Valley but built empire outside it.'. Source: (from training memory of book — Chapter 6-7).
Larry Page (Google co-founder, CEO 2011-15) (importance 3): Michigan PhD student at Stanford. Invented PageRank with Brin. CEO 2001-11, 2011-15. O'Mara: 'Page wanted to organize world's information — Stanford-scale ambition.'. Source: (from training memory of book — Chapter 7).
Sergey Brin (Google co-founder, Soviet immigrant) (importance 3): Family fled USSR (1979), arrived Maryland. Stanford PhD dropout. Co-invented PageRank. Google president 2001-11. Immigrant talent pipeline exemplar.. Source: (from training memory of book — Chapter 7).
PayPal Mafia (Thiel, Musk, Hoffman, Levchin) (importance 3): PayPal (1998-2002) team spawned Tesla, LinkedIn, YouTube, Yelp, Palantir. O'Mara: 'PayPal was the Fairchild of the internet era — training ground + ideology export.'. Source: (from training memory of book — Chapter 7).
Peter Thiel (PayPal, Palantir, Founders Fund) (importance 3): Stanford Law → PayPal CEO → Palantir founder → Facebook first investor. Libertarian ideologue. O'Mara: 'Thiel embodied Valley's rightward turn post-9/11.'. Source: (from training memory of book — Chapter 7-8).
Elon Musk (Zip2 → X.com/PayPal → SpaceX/Tesla) (importance 3): South African immigrant, Stanford PhD dropout. Serial founder: Zip2 (sold 1999), PayPal (sold 2002), SpaceX (2002), Tesla (joined 2004). O'Mara: 'Musk pursued manufacturing, not bits.'. Source: (from training memory of book — Chapter 7).
Mark Zuckerberg (Facebook founder-CEO, Harvard dropout) (importance 3): Built TheFacebook at 19. Moved to Valley, never left. Stayed CEO through 2019 (O'Mara's publication). Youngest self-made billionaire. O'Mara: 'Zuckerberg learned Valley playbook perfectly.'. Source: (from training memory of book — Chapter 8).
Uber-Airbnb gig-economy model (2008-09) (importance 3): Platform companies intermediating labor/assets. Uber (2009), Airbnb (2008). O'Mara: 'gig economy exported Valley's contractor culture to blue-collar work.'. Source: (from training memory of book — Chapter 8).
Snowden revelations (2013, NSA-tech collaboration) (importance 3): Edward Snowden leaked NSA PRISM docs: Google, Facebook, Apple shared user data. Shattered Valley's privacy rhetoric. O'Mara: 'exposed deep state-tech entanglement.'. Source: (from training memory of book — Chapter 8).
2016 election (platform manipulation) (importance 3): Facebook-Russia manipulation, Cambridge Analytica, fake news. O'Mara: '2016 shattered the Valley's neutrality myth — platforms shape politics.'. Source: (from training memory of book — Chapter 8).
Alan Kay (PARC, Dynabook vision) (importance 2): PARC researcher envisioned portable personal computer for children (Dynabook concept, 1972). Influenced Jobs + Apple. Pioneer of OOP (Smalltalk).. Source: (from training memory of book — Chapter 3).
Whole Earth Catalog (Stewart Brand, 1968-72) (importance 2): Counterculture publication promoting tools, self-sufficiency, cybernetics. Jobs called it 'Google in paperback form.' Influenced Valley's utopian technologist self-image.. Source: (from training memory of book — Chapter 3).
Lotus Development (Mitch Kapor, 1982, Cambridge) (importance 2): Lotus 1-2-3 dominated spreadsheets on IBM PC. Boston-based success story but ultimately acquired by IBM (1995). Counterpoint to Valley dominance.. Source: (from training memory of book — Chapter 4).
Mitch Kapor (Lotus founder, EFF co-founder) (importance 2): Transcendental meditation teacher → software entrepreneur. Later co-founded Electronic Frontier Foundation (1990). Embodied counterculture-tech synthesis outside Valley.. Source: (from training memory of book — Chapter 4, 5).
Jim Clark (SGI → Netscape → Healtheon) (importance 2): Stanford professor founded Silicon Graphics (1981), then Netscape with Andreessen. Serial entrepreneur. O'Mara: 'Clark showed you could build billion-dollar companies repeatedly.'. Source: (from training memory of book — Chapter 6).
eBay (Pierre Omidyar, 1995) (importance 2): AuctionWeb → eBay. Iranian immigrant engineer built peer-to-peer marketplace. Benchmark Capital funded. IPO 1998. Early internet-native business model.. Source: (from training memory of book — Chapter 6).
Travis Kalanick (Uber co-founder, forced out 2017) (importance 2): Serial entrepreneur, launched UberCab (2009). Aggressive growth tactics. Ousted after scandals (2017). O'Mara: 'Kalanick embodied bro-culture excess.'. Source: (from training memory of book — Chapter 8).
Ellen Pao (KPCB lawsuit, 2012) (importance 2): KPCB partner sued for gender discrimination, lost (2015). O'Mara: 'Pao trial forced public reckoning with sexism, but structural change minimal.'. Source: (from training memory of book — Chapter 8).
Google Bus protests (2013-14, SF gentrification) (importance 2): Activists blocked private tech shuttles in SF Mission District. Symbol of inequality. O'Mara: 'buses visualized class divide — tech employees vs. displaced residents.'. Source: (from training memory of book — Chapter 8).
Y Combinator (Paul Graham, 2005) (importance 2): Accelerator model: fund batches of startups, 3-month program. Democratized seed funding. O'Mara: 'YC industrialized the garage myth.'. Source: (from training memory of book — Chapter 7).
Andreessen Horowitz (2009, a16z) (importance 2): Marc Andreessen + Ben Horowitz founded VC firm. 'Software eating the world' thesis. Full-stack services for founders. O'Mara: 'a16z was the most aggressive pro-founder VC.'. Source: (from training memory of book — Chapter 8).
Reid Hoffman (PayPal → LinkedIn → Greylock) (importance 2): PayPal COO, LinkedIn founder (2002). Early Facebook investor. Greylock partner. O'Mara: 'Hoffman was the network theorist of the PayPal Mafia.'. Source: (from training memory of book — Chapter 7-8).
GitHub (2008, open-source infrastructure) (importance 2): Git hosting + collaboration. Became essential developer infrastructure. Acquired by Microsoft (2018) for $7.5B. O'Mara: 'GitHub showed open-source could be monetized.'. Source: (from training memory of book — Chapter 8).
WeWork-Theranos scandals (2019, fraud exposure) (importance 2): WeWork IPO collapsed, Theranos fraud trial. O'Mara: 'exposed VC due-diligence failures + founder hero-worship.'. Source: (from training memory of book — Epilogue).
Trump H-1B restrictions (2017-19) (importance 2): Executive orders tightened H-1B visa approval. O'Mara: 'threatened Valley's talent pipeline — reminded industry of dependence on immigration policy.'. Source: (from training memory of book — Epilogue).