Links for 04-26-2010

• The Echo Nest Song API « Music Machinery
• SF Signal: Awesome Futuristic Short Film: The Raven
• Five reasons iPhone vs Android isn't Mac vs Windows - O'Reilly Radar - You can probably argue with some of the specific assertions but, overall, a good look at some of the dynamics of the mobile market--and how they're different from Mac vs. Wintel.
• Docs: 2006 ROzzie@UW In Pursuit of Social Productivity