United Therapeutics CEO Martine Rothblatt gives a keynote on AI, Immortality and the Future of Selves during the SXSW Interactive Festival on Saturday, March 14, 2015 in Austin, Texas. AUSTIN, Texas - As a plane with a Grumpy Cat flag flew overhead, courtesy of Friskies, the Technorati flooded into panel discussions and happy hour spots at the annual tech festival South by Southwest in Austin, Texas, on Sunday.