The tipping point for Twitter's acceptance was the 2007 South by Southwest Interactive (SXSWi) meeting. It had 400,000 tweets posted for each quarter in 2007. This grew to 100 million tweets posted for every quarter in 2008. In February 2010, Twitter people have been sending 50 million tweets for each working day. Work on the venture began on March 21, 2006, when Dorsey revealed the first Twitter information at 12:50 p.m.