Hacker News stories for 10 AM on Tuesday Jul 23, 2013

0.866 No filter: the meanest thing Paul Graham said to a startup comments

0.589 The unprofitable SaaS business model trap comments

0.472 Ubuntu Edge funding level over time comments

0.448 New in RubyMotion: Blocks Rewrite, Retain Cycle Detection, Better Crash Reports comments

0.375 Ding Dong comments

0.255 The Unexpectedly High Cost of a Bad Hire comments

0.250 Global land temperatures since 1900 visualized comments

0.204 What Readers Found in Facebook’s ‘Other’ Folder comments