Kauffman Foundation (@KauffmanFDN) tweeted at 7:01 PM on Thu, Jun 27, 2013: Fifteen U.S. university incubators dominate University Business Incubator Index’s top 25 list. http://t.co/4JE0xNyrgU (https://twitter.com/KauffmanFDN/status/350388543144722432) Get the official Twitter app at https://twitter.com/download