Users of Telegram, a popular messaging app, report that they can't click on Telegram.me links sent in competing chat service WhatsApp.Facebook-owned messaging platform WhatsApp is supposedly blocking links to a rival app, Telegram, according to users of the service. Telegram users took to Reddit to say that while they could still post URLs to Telegram.me in WhatsApp, the messages did not appear as hyperlinks and could not be clicked or copied into another app.