Is there a way or an app that shows how much data i've used??
Why worry about it?
If you like what I do, thanks
Your can follow me as follows
@dabowerman - Twitter
Derek Bower - G+ - this is where I will be @ the most and where stuff gets released first.
Theming Guides that might come in handy
Theming Guide for Progress Bar
Notification Text Color Change (How to)
Theming Guide for System Text