Wouldn’t it be cool if you could just knock on your front door, and have it open automatically without having to fumble around with your keys? If that sounds like a dream come true, then you might ...

WhatsApp is taking chat security to a new level with the introduction of Secret Code for Chat Lock, a feature that adds an extra layer of protection to your most private conversations. Previously, ...

Hideouts can’t be protected with a simple lock and key, those jobs require passwords or secret knocks. For the latter, you can go the extra mile and build a knock ...