Google shows off Duo, a new HD video calling app with real-time ‘Knock Knock’ preview

 Some have criticised Google for falling behind when it comes to social networking and new communications services, but the company is how working hard to catch up. Today, the company announced a new video calling app called Duo — a high-definition app for Android and iOS devices. Duo was unveiled on the heels of Allo, Google’s new smart messaging app. Why the decision to launch… Read More