@Paul_Gassee .... any one person or group of people may see more from time to time. I don't get "some users are hard to block". example?
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
@Paul_Gassee .... any one person or group of people may see more from time to time. I don't get "some users are hard to block". example?