Hacker News on 30 January 2009

• Add "pwn" before youtube in the url of any youtube video to download it
• Teensy USB Development Board - 16MHz, $19
• The new reality: Ticketstumbler ($15,000 in funding) vs Fansnap ($10.5 million)
• Ma.gnolia.com crashes hard -- no backups?
• Six Ways to Boost Brainpower: Exercise, Diet, Stimulants, Video Games, Music, & Meditation
• Wikipedia list of algorithms
• The Economy According To Mint
• The Beauty of Lisp-1
• I suck at math, please divulge resources
• Ruby 1.9.1 Released: First Stable Ruby 1.9 Release