2020-12-20 13:00:00 UTC We're huge fans of the WhatsApp messaging service. Offering free, cross-platform text, multimedia, voice messaging, and free voice and video calls, what's not to like? Chances are you've been using it on your phone for a while now, but you may not have spent any time tinkering under the hood to get next-level good at WhatsApp. We've taken some time to really drill down into the app to find its special tips, tricks, tweaks, hacks, and secret features so you can become a WhatsApp expert. 1. Make WhatsApp messages automatically disappear Poof! Say goodbye to your WhatsApp messages.