Editor's Note: To arrange an individual media interview with Jim Barton, contact engineering Professor Dan Connors at (303) 735-7199 or Carol Rowe, director of engineering communications, at (303) 492-7426. Jim Barton, co-founder and chief technology officer of TiVo Inc., a pioneer in television services for digital video recorders, will speak at the University of Colorado at Boulder's Computer Science Colloquium Series on April 29. The talk, which is free and open to the public, will be from 3:30 p.m. to 4:30 p.m. in the Engineering Center Complex, room ECCR 245.