http://googleblog.blogspot.com/2015/07/everything-in-its-right- "People have told us that accessing all of their Google stuff with one account makes life a whole lot easier. But we’ve also heard that it doesn’ t make sense for your Google+ profile to be your identity in all the other Google products you use." "So in the coming months, a Google Account will be all you’ll need to share content, communicate with contacts, create a YouTube channel and more, all across Google. YouTube will be one of the first products to make this change , and you can learn more on their blog. "