David Filo, co-founder of Yahoo! Inc., talks to students in “Technology Entrepreneurship,” Computer Science and Engineering 507A, Feb. 18 in Cupples II, Room 217. The class, taught by Patrick Crowley, Ph.D., assistant professor of computer science and engineering, often features guest speakers. Filo’s appearance was arranged by student Richard Crowley (no relation), who used to work at Yahoo! Inc.