Micgoat - A new video app to debate controversial issues
Lunchclub - Curated 1:1 professional connections
2UP - Dating for gamers
Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.
QallOut - Freestyle, head-2-head debate competitions over live video
Lunch Roulette - Collaboration by grouping coworkers randomly for lunch.