I got an invite code from a coworker as I couldn't wait any longer to get in! I've been using it for two weeks now and I have to say it's a must have app for a

I got an invite code from a coworker as I couldn't wait any longer to get in! I've been using it for two weeks now and I have to say it's a must have app for all Gmail users ... It's has completely changed the way I work.