The 2008 South by Southwest Interactive (SXSW) festival, currently underway in Austin, Texas, until March 16, is one of the most popular, high-energy tech conferences of the year. This Interactive conference “celebrates the creativity and passion behind the coolest new media technologies.” Basically, everyone who is doing anything cool on the Internet ends up speaking there. 37 Signals, Facebook, Wired — they’re all there. Many … more »