Hacker News stories for 11 AM on Tuesday Apr 02, 2013

0.600 How to Model Viral Growth: Retention & Virality Curves comments

0.361 Healthvis R package – one line D3 graphics with R comments

0.203 Ignore the critics: Lean In should be read by everyone, including men comments

0.014 Show HN: Mosaic – Use multiple iPhones as one big screen comments

0.005 Show HN: Simple cloud storage for apps comments