Have you been noticing a number of people on Twitter writing hash tags for #SXSW and wondering what these letters stand for?
SXSW refers to South by Southwest, which is a huge festival which takes place every spring in Austin, Texas.
This conference lasts for ten days, is one of the biggest events of the year in Austin and includes trade shows, music, film and interactive networking opportunities for innovative and creative people from all over the world.