I saw a post on here where there is a plan thru verizon to where you can get 40MB a month for $20/month. How much is this? I will hardly be using the data capabilities on my phone. Maybe every once in a while for directory asst, or movie times, but not that much. I hear the phone does its own connecting and does maintenance work, is it a lot? Is 40Mb a enough monthly for the occasional use? Is there a way to keep track of use? Thanks