Supercomputer uses Twitter to tell how you're feeling[ Wed, 14 Nov 2012 21:57:39 GMT ]The Global Twitter Heartbeat offers a real-time analysis of random data via supercomputer —the SGI UV 2000 Big Brain supercomputer at the University of Illinois — to process an impressive amount of raw information very quickly.The result is a pretty accurate picture of what’s going on in the United States at any point in time.