WhatsApp growth slumps as rivals Signal, Telegram rise
By BARBARA ORTUTAY OAKLAND, Calif. (AP) — Encrypted messaging apps Signal and Telegram are seeing huge upticks in downloads from Apple and Google’s app stores. Facebook-owned WhatsApp, by contrast, is seeing its growth decline following a fiasco that forced the company to clarify a privacy update it had sent to users. Mobile app analytics firm Sensor Tower said Wednesday that Signal saw 17.8 million