Hacker News on 1 July 2009

• Potion: A Short Pamphlet
• Calling out Hacker News
• EveryBlock source code released
• Ask HN: Why Python over Ruby?
• The Pragmatic Programmers release an online magazine
• Magical, 3D-Warping Techniques Steadies Your Videos
• Ragel State Charts
• Fat Free CRM - Ruby On Rails-based open source CRM
• PostgreSQL 8.4 Released
• Page views required to generate $1M in ad revenue?