Are you sick and tired of having to log on to a VPN to get on Twitter? Didn’t you wish there was a local alternative to keep in touch with your friends here? Introducing Sina Weibo, the biggest thing to hit the Chinese interwebs in the year 2010. Quite a number of China-based expatriates have already signed up, and we want you to join us there too. Sign up for an account and follow us at http://t.sina.com.cn/shanghaiist now!