Ben Parr of Mashable reports: "The use of Twitter (Twitter) has been immense. #IranElection has been a top trending topic for days, as have terms like Iran, Tehran, Ahmadinejad, and Mousavi. But while there have been 10,000 to 50,000 tweets at any hour mentioning "Iran", it peaked yesterday at 221,744. This seems extreme, but it makes sense when you realize that it corresponds with when Twitter's downtime was rescheduled, which had major buzz the entire day."

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