Microsoft bought the CNN touchscreen supplier Perceptive Pixel http://www.theverge.com/2012/7/9/3146634/microsoft-acquires-perceptive-pixel …
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
Microsoft bought the CNN touchscreen supplier Perceptive Pixel http://www.theverge.com/2012/7/9/3146634/microsoft-acquires-perceptive-pixel …