SXSW 2013 wrap-up: Google Glass, Elon Musk, robots, instruments and more!

When we attend a trade show, we typically spend an entire week jumping from one exhibition hall to the next, surrounded by thousands of suit-clad corporate execs. That's the case at MWC in Barcelona, IFA in Berlin and CEATEC in Japan -- at SXSW in Austin, however, bars, tents, parking lots and even single-family homes host manufacturers large and small, and instead of starched button-downs and cufflinks, attendees sport t-shirts and tattoos. People are friendly, the weather is fantastic and ther...