Google shows off Duo, its new HD video calling app and answer to…

Duo, Google's version of Facetime, is released.
Some have criticised Google for falling behind when it comes to social networking and new communications services, but the company is now 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 two separate…