T-Mobile has unveiled the 15 teams that have participated in its Changemaker Challenge Lab contest.  Together with the T-Mobile Foundation and Ashoka, the contest aims to motivate the youth to have positive change in their com. They have collected teens between the ages of 13 and 18 to be part of the three-day event.  T-Mobile has named the four top teams in each category (Environment, Education, Technology, and Family Challenge) to pitch in their ideas on how … [read full article]