Oh, hello there, traditional telecommunications company relying a lot on voice and SMS services for revenue, is that a new little thorn in your side, courtesy of WhatsApp? The app already offered free text messages for a year (and only $1 per year after that) via a Wi-Fi or mobile network connection, and now in a move that could serve to take a bigger slice of the pie, it says it’ll start offering voice calls this spring. [More]
