- Anti-social networking experiments: Enemybook.org (now defunct) once let Facebook users list enemies; participants joked about adding an “enemies” field to LinkedIn and proposed personality-quiz matchmaking for startup founders on TechCoFounder.com.  
- Open-source hardware ecosystem: SKDB—the open design/manufacturing knowledge base—hit Hacker News, while a public wearable-hardware wish-list spreadsheet (fennetic.net/irc/wearable_wishlist.*) and RepRap/Mendel cost estimates (~$520 BOM) were shared for Hacker Dojo builds.  
- Non-visual gaming and accessibility: “Papa Sangre” (audio-only thriller) and “Aura” (Allegro-based blind-navigation puzzle) were highlighted as examples of games that operate without visual interfaces.  
- DNA concentration innovation: Boreal Genomics’ technique for concentrating DNA via rotating electric fields was praised as an elegant, under-appreciated method.  
- Singularity University 2010: full applications opened for the June–August Graduate Studies Program at NASA Ames; leaked 1 GB archive of SU slides and a satirical bingo card circulated, prompting critique of weak “grand vision” and lax file security.  
- Spaced-repetition tooling: open-source alternatives to SuperMemo—Anki, Mnemosyne, and Pauker—were compared for self-directed cognitive enhancement.  
- Earth-imaging & routing: NASA’s new Landsat fly-by animation showcased high-resolution Earth imagery, while Google Maps’ new bicycle routing was tested and found surprisingly accurate.