twitter jack dorsey help  Ellis Hamburger  Sina, the Chinese
portal that owns Sina Weibo, the wildly popular microblogging
platform, is planning an English-language version of its service
to compete directly to Twitter, according to sources of TechWeb,
via TheNextWeb.  Sina Weibo is, for all intents and purposes,
the Twitter of China, and is as wildly popular there as Twitter
is here. Weibo has actually evolved into something much more
feature-rich than Twitter.   That being said, it's hard to see
how Weibo would compete with Twitter's network effects. Why
would Lady Gaga and Justin Bieber go there to reach their
English-speaking fans, when they already have millions of them
on Twitter?  Not to mention the fact that ditching the service
credited with promoting democracy around the world for a service
that participates in Chinese government censorship would
doubtless come with controversy.   In our analysis of online
network effects, we concluded that while you can beat a network
effects service through "later