WhatsApp beta for Android finally intros document exchange and link copying

With more than a billion users now, WhatsApp, the world's most popular instant messaging platform, has slowly been turning from a barebones chat app, into a more sophisticated endeavor that is almost (but not quite) on par with the best out there in terms of features.

Just recently it added rich link previews, like on Facebook Messenger or Viber, the ability to star messages to its Android app, a bunch of Unicode emojis, and, above all, removed its funny $1 annual subscription fee. Some of these features have been in the beta versions you can download only from WhatsApp's own site first, and then, as usual, got rolled into the official app update over at the app stores.