WhatsApp is testing a new feature that deletes messages after they've been read, not just after a timer. Here's what you need to know. Okay, this is a good one. WhatsApp, the messaging app owned by Meta and used by over two billion people worldwide, is quietly testing a new feature that will delete your messages automatically after the other person has read them. Not after a timer. After they've actually read it. That's a meaningful difference. And if you care about your priv