Wikipedia is Blocked again in China

From last month,many people find that Wikipedia is unblocked in China.
So many people think that is a good news ,but Tim Starling is clear-headed,he said: that maybe just a technical problem Greate Firewall have encounter.
Proof coming Now,Wikipedia is bloked again in China.
As we know ,Both Yahoo! and Google have changed their policy in China,According to the government's Policy,they have agreed to censor search results.
Furthermore,Google have released Google.cn is China,and Google.com is blocked in China.
If you still remember the story in February of this year, you will know Yahoo Inc., Google Inc. and Microsoft Corp. ever on Capitol Hill defend corporate policies for dealing with China that they say balance business interests with human-rights concerns.
Human rights advocates plan to testify that corporate America is abnegating its ethical responsibilities by complying with Chinese law.
Wikipedia is different from Yahoo! and Google,Wikipedia is an encyclopedia that anyone can edit,so it's difficult to do any sort of censorship.
What we can do behind the GFW?
Maby just waiting ...