In what year did Twitter go mainstream?

Twitter began as a private platform in 2006, but it really started to gain widespread attention and traction in 2007. This year marked significant events that propelled Twitter into the mainstream, such as the South by Southwest (SXSW) Festival, where its usage skyrocketed during the conference. Additionally, 2007 saw the introduction of major updates to the platform that enhanced user experience and engagement. By the end of that year, Twitter was recognized not only as a social networking site but also as an important channel for real-time communication and news sharing. As a result, 2007 is widely regarded as the year Twitter became mainstream, appealing to a larger audience and attracting media attention.