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

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

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

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

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

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

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

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

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

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

Philosophy
Mind

One Acre Fund

Internet classic

Mathematics