Zuckerberg shows off his main meeting office. Walls nearly all glass https://www.facebook.com/zuck/videos/vb.4/10102367711349271/?type=2&theater¬if_t=live_video … A glimpse of his vision for the future
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