Retweeted Joe Murphy (@denverpostjoe): #SXSWi attendance was 30,621 this year, up 24.6% from 2012. Historical: http://t.co/yheaStAU8v via @360sxsw ( http://t.co/vWQgZdRrab ) blogs.denverpost.com Guest lodging is an indicator of room to grow, and hotels...