I won't be surprised if one day Google launches its own cryptocurrency, but it certainly won't be enough to beat Bitcoin in terms of dominance and price in today's cryptocurrency market.
Would it be something like Googlecoin ??? Or Goocoin? There is speculation that Google is working on something like this, but there is no confirmed news about it. It is a billion dollar market!
Google may well be thinking of a way in, but without much hassle or shouting (like Facebook).
Maybe it would be given for the advertisement showing if google ever created a crypto currency of its own.