Glass Wearable Computing :Google Innovation or Marketing?

Everywhere, Google's wearable glass project is one of the hot topic nowadays. Google announced an innovative project. A question; Is it really an innovative project or just marketing news, as we used to see in Microsoft projects?

http://www.brightsideofnews.com/news/2012/4/4/google-shows-off-project-glass-wearable-computing.aspx 

http://www.wired.com/epicenter/2012/04/epicenter-google-glass-ar