This is Lukas Bergstrom's personal weblog. You might want to visit my professional site. You can also find me on Twitter, Bluesky, and LinkedIn.
Illustrating Group Theory
A coloring book

Online version is beautiful, I assume the printed version is too.

Tech
Medical, Mobile, Wearables, Hardware, Crowdsourcing, Product Management, Collaboration, Automobile, Data, MacOS, Social, Business, Shopping, RSS, Net, Visual, Energy, OS, Javascript, Security, Open, Web analytics, s60, PIM, Development, a11y, barcamp, Android, WRX, Audio, AI, Web, Storage

Other
Food & Drink, Law, CrowdFlower, NYC, Sports, Travel, Statistics, Minnesota, Berlin, Quizzes, Transportation, L.A., Personal care, California, History, Friday, Activism, Housing, Geography, Clothes, Bicycling, San Francisco, Feminism, Surfing, Video, Life hacks, Politik, Boston, Games, Toys, Agriculture, Podcasts

Music
Shopping, Videos, Making, Events, Mp3s, Booking, Mailing lists, Musicians, Streams, Good tracks, House, L.A., History, Reviews, Boston, Mixes, Lyrics, Hip-hop, Business, Labels

People
Gossip, Languages, Me, Weblogs, Heroes, Friends, Life hacks, Meditation, Enemies, ADD, Vocations, Exercise, Working with, Subcultures, Stories, Journaling, Buddhism, MOTAS, Health, Family

Arts
Poetry, Literature, Animation, Rhetoric, iPad bait, Movies, Burning Man, Comix, Desktop wallpaper bait, Events, Visual, Outlets, Sculpture, Humor, Spoken Word

Commerce
IP Law, Investing, Management consulting, Personal services, International Development, Insurance, Real Estate, Personal finance, Taxes, Web, Marketing and CRM, Macroeconomics, Shopping, Microfinance, Non-profit

Design
Tools, Algorithmic, User experience, IA, Presentations, Web, Process, Cool, Architecture, Type, Furniture, Data visualization

Science
Cognition, Statistics and Data, Zoology, Psychology, Environment, Physics, Networks

Travel
Kingdom of Siam, Uganda, Vagabond '08, Kenya

Photos
Friends, Photos I Wish I'd Taken, Moblog

Philosophy
Mind

Mathematics

One Acre Fund

Internet classic

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