Thousands of Beijing residents have had enough and are calling for a Clean Air Act in an online vote on Sina Weibo, Xinhua News Agency reports.

BBC: China media: Pollution woes

Though calling it a local deals business in a mega-city like Beijing, for example, is a little bit of a misnomer, Chao says.

FORBES: RenRen Investor David Chao On The Third Internet Wave

For example, if a mobile account opened in Shanghai, and sparingly used for local calls, begins making numerous calls from Beijing to a few numbers in a distant western province, then it is likely that a phone thief is calling friends back home.

ECONOMIST: Computing