I'm pretty sure that The Linux Foundation is the only user of Google+. Not 100% sure--- I would put money on that.
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
I'm pretty sure that The Linux Foundation is the only user of Google+. Not 100% sure--- I would put money on that.