Hacker News on 24 March 2009

• Why MIT switched from Scheme to Python
• How to get a merchant account - a series of hoops
• IP Address Geolocation database
• How Many (Indie) Games I Sell - Part Two
• Three20: Open Source iPhone UI Goodness
• Django 1.1 beta released
• Tim O'Reilly: Books That Have Shaped How I Think
• Carmack release open source Wolfenstein for iPhone
• Ask YC: Feedback on our new service: messagepub.com
• Academic Earth - Thousands of video lectures from the world's top scholars.