Marcel Maia Montalvão is a name Brazil's burgeoning digital community has learned to fear in recent weeks. After detaining Facebook's vice president of Latin America a few months ago for failing to comply with judicial orders, Montalvão is at it again - and this time the judge from a small town in the state of Sergipe is targeting the most popular mobile app in the region, WhatsApp.
Should one man have the right to turn off access to an app that 91 percent of the Brazilian population uses on a daily basis? What does this move mean for the increasingly important fight over digital rights occurring around the world between governments and tech companies? The Intercept's Glenn Greenwald answers these questions - and many more - in the full article link below.