Zynga's CEO Pincus: 3 rules of viral - people have to instantly understand it, they have to want it and then they have to share it.
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
Zynga's CEO Pincus: 3 rules of viral - people have to instantly understand it, they have to want it and then they have to share it.