MIT Media Lab

30 stories

Luca Mars did the math. Three years ago, the 19-year-old accounting student, who lives in the small Brazilian city of Várzea Alegre, 2,200 miles northeast of Rio, took a look at his mobile phone bill and knew that he couldn’t cover the cost of the data plan. Mars works as an administrative assistant at a primary school, and says his phone bill typically ate up 10 to 15 percent of his paycheck.More →