ContributorNetwork - A while ago, I wrote about "My $15 a Month Android Data Plan." To get my monthly wireless bill that low, I used AT&T GoPhone's a la carte prepaid pricing to buy the cheapest 100 MB data option, then used apps like Google Voice and GrooVe IP to text and make phone calls over 3G and Wi-Fi. Unfortunately, the amount of data I purchased turned out to be inadequate, and the call quality was poor.
More...
More...