Twittgrow

So, after that the company experienced rapid growth. In 2007 it had 400,000 tweets posted per quarter, but in 2008 it grew to 100 million tweets posted per quarter.Twitter users were sending 50 million tweets per day. In March 2010, the company recorded over 70,000 registered applications. In June 2010, about 65 million tweets were posted each day, equaling about 750 tweets sent each second, according to Twitter. In March 2011, that was about 140 million tweets posted daily.

Twitter's usage spikes during prominent events. For example, a record was set during the 2010 FIFA World Cup when fans wrote 2,940 tweets per second.

From September through October 2010, the company began rolling out "New Twitter", an entirely revamped edition of twitter.com.