Google just released their new one-to-one video calling app, Duo. The app is awesome; it’s simple, straight forward, and is tied to your phone number instead of a Google account. I’m sure some people would appreciate that last point. Allo, on the other hand, is a simple, straight forward, text messaging app. Allo is also tied to your phone number. The search engine giant is competing with the likes of WhatsApp here. About an hour back, I installed Duo and called a friend on it. I was surprised at how simple the app is. You have one button, click that and you’ll be taken to your contact list. The list of people who are already on the platform appear at the