Twitter has taken quite a lot of heat for putting in place the capability to block tweets on a geographical basis. This begins to look a little unfair in light of the fact that Google quietly adopted a similar policy before Twitter...[Google] employs exactly the same topsy-turvy logic: by enabling local censorship, we are promoting free expression. That in itself is obviously troubling, not least because Google may be setting off down a slippery slope that sees all of its services segmented by geography...If more and more companies follow the lead of Google and Twitter, as seems quite likely, it could represent the beginning of the end of the truly global Internet.