Twitter's growth chart continues to look incredible. The messaging/microblogging service attracted 9.3 million U.S. unique visitors to its site in March, up 131% from February, according to ComScore. That's more than 5 million more visitors than the site had in February.
In an interesting blog post, ComScore also notes that Twitter users seem to be news junkies. They are two to three times as likely as average web users to visit top news sites -- especially Time Warner's CNN.com.
Here's that traffic chart:
This isn't the perfect way to measure Twitter's user growth, as it includes people who visit Twitter.com but aren't Twitter users. But it also doesn't include mobile-only users, desktop-app users, foreigners, etc. Either way, it seems directionally correct -- and is very impressive.
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Dan Frommer is a senior editor at Business Insider.