What happens when an industry gouges its customers for years, and then technology comes along that allows consumers to circumvent the gouger? Customers leave in droves is what happens, and it’s WhatsApp and its ilk that are enabling the exodus. If you’re unfamiliar with WhatsApp Messenger and its brethren — like the app WeChat — they’re text message alternatives that don’t rely on mobile-to-mobile SMS technology. They use the data component within your phone instead. SMS is a method of sending 160-character text messages via phones.