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Hangout video sharing is one of Google+'s more appealing features – not that we use it often, but when it comes to things to do in an online social gathering, watching https://www.youtube.com/watch?v=(http://www.engadget.com/tag/YouTube/) clips would certainly rank near the top. Now you can launch Hangouts directly from YouTube, rather than heading over to Google+ and pasting in a link. Sure, it’s a simple tweak that probably took less than an hour to code, but it’s a clever addition nonetheless.YouTube(YouTube adds Google+ Hangout button, lets you share videos with a click)