How does this compare to http://www.rescuetime.com http://www.rescuetime.com? I've been using Rescue Time for years now and it's pretty great. I can't see how t

How does this compare to http://www.rescuetime.com http://www.rescuetime.com? I've been using Rescue Time for years now and it's pretty great. I can't see how timecamp improves on this, maybe I'm missing something?