At today’s Twitter news event, co-founder Evan WIlliams revealed a number of impressive statistics about the microblogging network. For example, Williams said Twitter is seeing on average 90 million Tweets per day. As you can see from the graph we’ve embedded, this is a significant increase from even a few months ago. Traffic to Twitter.com has grown about 100% this year.

We’re assuming this stat includes Tweets from both Twitter.com and clients. Williams also said that since the beginning of the year Twitter users on mobile devices are up 250%, with 16% of new users starting to use the service on mobile devices. And there are on average 370,000 new sign-ups per day overall.

Addressing privacy, Williams said that 90% of Tweets are available to the public. And 25% of tweets contain links. Last week, Williams wrote in a blog post that Twitter now has over 145 million registered users with nearly 300,000 registered apps in the Twitter ecosystem.

Read more in “Twitter Hatches The New Twitter.com — A New Two-Pane Experience (Live).”

Crunchbase

• TWITTER

Company: Twitter

Website: twitter.com

Launch Date: March 21, 2006

Funding: $1.16B

Twitter, founded by Jack Dorsey, Biz Stone, and Evan Williams in March 2006 (launched publicly in July 2006), is a social networking and micro-blogging service that allows users to post updates 140 characters long. Twitter “is a real-time information network that connects [users] to the latest stories, ideas, opinions, and news.” The service can be accessed through a variety of methods, including Twitter’s website; text messaging; instant messaging; and third-party desktop, mobile, and web applications. Twitter is currently available in...

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