In the past, when Twitter erased a tweet it disappeared throughout the world. Now, a tweet containing content breaking a law in one country can be taken down there and still be seen elsewhere.
14.03.2012
(AP) Twitter has refined its technology so it can censor messages on a country-by-country basis.
The additional flexibility announced Thursday is likely to raise fears that Twitter's commitment to free speech may be weakening as the short-messaging company expands into new countries in an attempt to broaden its audience and make more money.