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"AUSTIN \u2014 Today marks the beginning of South by Southwest, the annual conference for music, film and interactive that's known for being the birthing ground for cool new apps as well as the place you're likely to meet fellow technologists or business partners you'd only interacted with online.\nThis year, Mashable brought along one such Internet \"friend\" with Grumpy Cat, who visited with fans in the Mashable tent (along with other favorites Scumbag Steve and the Nyan cat creator). Sure enough, #GrumpyCat was trending in the afternoon as SXSW-goers waited in line to get photos and Vines with a catnapping Grumpy Cat.\nSEE ALSO: Where You Can Find Mashable (and Grumpy Cat) at SXSWi\n\nAside from Internet-famous animals, also trending on Twitter were #VegasTech and #NewAmerican. Las Vegas is an up-and-coming startup hub and its members are showing a little team spirit at SXSW with some help from a hub page of activity created specially for SXSW called Vegas Built.\nAmerican Airlines won hearts with free massages for conference attendees, a campaign to bring attention to its new logo and merger with US Airways. It was also a follow up to their Paper Napkin Pitch Content promotion.\nThe first keynote of the weekend was Bre Pettis, who launched his 3D printer startup Makerbot at SXSW in 2009. He looked to be wearing some sort of hoodie actually created with a 3D printer. He announce a prototype called the MakerBot Digitizer which would allow people to scan items they want to print with a 3D printer and discussed why he believes 3D printing is the next Industrial Revolution.\nCheck out the RebelMouse below for more exciting highlights from day one of SXSWi.\n\nImage via Daniel Zuchnik/FilmMagic/Getty Images"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2013/03/08/sxsw-i-day-1/>