FTchinese.com: making inroads in China's media scene

Image from Wikipedia
Thomas Crampton (h/t Danwei) has this interview with Angela Mackay, executive director of the Financial Times Asia Pacific, who announces that FTchinese.com has now reached one million registered users. Considering that the service is free and based on advertisements, that is after four years time really an achievement.
It has been for me a bit of a black horse on the foreign media entering China (although the scene itself is not that huge, because of all kind of restrictions). Typically foreign ventures would run into problems with Chinese authorities the moment they would become successful.
I was missing a few obvious questions like: have they been blocked on the internet and if not, why not? Are they keeping an eye on the content to avoid clashes with the internet filters or would there be other self-censorship like systems to keep the service running? Are they thinking of teaming up with any Chinese media?

Update: More from Thomas Crampton on Angela MacKay here.