SXSW (Somebody buy Some Whataburger)

The annual South by Southwest (SXSW) festival takes place in Austin, Texas (usually in March). On March 7, 2014, the Texas-based Whataburger humburger chain posted on Twitter:
 
”#SXSW stands for ‘Somebody buy Some Whataburger.’”
 
Whataburger used the line in its SXSW promotions.
 
 
Wikipedia: South by Southwest
South by Southwest (SXSW) is a set of film, interactive, and music festivals and conferences that take place early every year (usually in March) in Austin, Texas, United States. It began in 1987, and has continued to grow in size every year. In 2011, the conference lasted for 10 days, with SXSW Interactive lasting for five, Music for six, and Film running concurrently for nine days. SXSW is considered to be Austin’s “signature event”.
 
Wikipedia: Whataburger
Whataburger Restaurants LP is a privately held, American regional fast food restaurant chain that specializes in hamburgers. The company, founded by Harmon Dobson and Paul Burton, opened its first restaurant in Corpus Christi, Texas, in 1950. The chain is owned and operated by the Dobson family, along with twenty-five franchisers. As of September 2012, there are over 735 Whataburger stores across the Southern United States region.
 
Twitter
Whataburger®
‏@Whataburger
#SXSW stands for “Somebody buy Some Whataburger.”
3:30 PM - 7 Mar 2014
 
Twitter
Blood De’Grate
‏@TheBloodShow
“@Whataburger: #SXSW stands for “Somebody buy Some Whataburger.”” YOURE SO EPIC!!!!
3:30 PM - 7 Mar 2014
   
IPA @ SXSW
March 13, 2014
Brands target our hearts, minds, and tastebuds at SXSW
(...)
Whataburger - this local burger chain drove a cow themed bus around town, threw me breakfast one day and even had time to re-name the show - apparently SXSW stands for “Somebody buy Some Whataburger.