Google’s smart contact lens project http://googleblog.blogspot.nl/2014/01/introducing-our-smart-contact-lens.html …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Google’s smart contact lens project http://googleblog.blogspot.nl/2014/01/introducing-our-smart-contact-lens.html …