It’s no secret that present-day Brazil is reliant on WhatsApp and other instant messaging services. With an estimated 62 percent of the population on WhatsApp, people hold all sorts of important conversations on mobile communication apps. Journalists interview their sources, major football clubs negotiate million-dollar player transfers, and even members of the current government have reportedly sent out meeting invitations via WhatsApp. The use of instant messaging as a tool to bring companies closer to their customers is equally ubiquitous. Do you need to schedule a bath for...