Twitter User Statistics REVEALED

UPDATED 4/30/2010 10:06AM ET: A new study, released April 2010, examines Twitter usage in the United States, finding that although most Americans are aware of Twitter, few are using it. See the new Twitter statistics, here.

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At Chirp, the official Twitter developer conference, Twitter shared some revealing stats about its site, users, and growth that had previously been kept under wraps.

Here's a summary of the facts and figures Twitter shared:

• Twitter now has 105,779,710 registered users.

• New users are signing up at the rate of 300,000 per day.

• 180 million unique visitors come to the site every month.

• 75% of Twitter traffic comes from outside Twitter.com (i.e. via third party applications.)

• Twitter gets a total of 3 billion requests a day via its API.

• Twitter users are, in total, tweeting an average of 55 million tweets a day.

• Twitter's search engine receives around 600 million search queries per day.

• Of Twitter's active users, 37 percent use their phone to tweet.

• Over half of all tweets (60 percent) come from third party applications.

• Twitter itself has grown: in the past year alone, it has grown from 25 to 175 employees.

See pictures of the presentation given at Chirp here. Follow Chirp live on the Huffington Post here, where you can get live video, news, and tweets.