Iraanse verkiezingen tweetloos?

As Iran’s tightly-controlled June 14th presidential election approaches, observers worldwide are scouring the Web for tweets, photos and videos that offer hints of events inside the country. Yet to the dismay of overseas opposition groups, the Iranian government has mounted a sophisticated — and so far largely successful — effort to choke off Internet access inside the country.

“More than a month ago, we saw how the speed of the Internet shut down,” said Trita Parsi, president of the Washington-based National Iranian American Council. “They started to make it much more difficult for people to Skype with the outside world.”