My mom and I will be getting new phones from verizon at christmas. She is not techy at all, so she will get the most basic phone possible. I, however, really want to get the HTC Droid eris. Now i probably won't be doing any serious web browsing at all. What i would like to know is what kind of data plan do i need to be able to access apps like facebook? does that use up more than 10 mb? and how many mbs does viewing a page on the internet, apart form emails, cost?