Ed TittelEd Tittel worked as an instructor for Austin Community College from 1997 through 2003 and taught at Interop from 1996 to 2004. He is a Network Certified Professional, and works as a full-time freelance writer and consultant in Austin, TX. He has contibuted to over 130 books on computing across a broad range of subjects, and is the author of numerous titles published by Course Technology. He also writes and blogs for numerous TechTarget.com and other Websites. Read More Read Less