VB LIVE: Want a lucrative app launch? Freemium is key!
VB LIVE: Want a lucrative app launch? Freemium is key — but tricky. Learn how to balance free versus paid features without pissing your users...
Your Mobile Contact List Are Now The Real Social Network — TechCrunch
Facebook’s surprising acquisition of WhatsApp signals that it has realized that users’ true social network is the contact list on their smartphones.