Remember Airtime, the Facebook-integrated video calling / media sharing service with a Chatroulette flavor? Well if not, we don't blame you -- usage stats suggest it hasn't quite taken off, but maybe the new features it's testing will secure a few more fans. No longer is the service restricted to the here and now, as the major change is all about video posts. Use Airtime to record a message and you can post it to Facebook, Twitter,
