The wife of Liu Xiaobo, this year’s Nobel Peace Prize winner was placed under house arrest and her phone access was cut. She was able to issue twitter updates, but apparently that is gone now as well. He was instrumental in the 1989 Tiananmen Square Protest, actually preventing student deaths by convincing protesters to disburse. He has been detained repeatedly in the last twenty years for subversive activities against the Chinese government.
I Know Why The Caged Bird Tweets