You can use this feature to open your camera and perform other useful tasks. It works even if you keep your iPhone in a case.

Have you ever wondered how to improve the security of your home or business without sacrificing convenience? Small wireless ...

If you use the View Once tool, there's bad news, as WhatsApp has uncovered a glitch. Worryingly, that means any pictures you've sent with View Once could still be saved on the recipient's phone.