Nancy Muir is the author of more than 100 books on technology topics ranging from Windows and Office to nanotechnology and Internet safety. She runs a website, TechSmartSenior.com, that provides information about computers and the Internet for seniors, as well as writing a column on computers for Retirenet.com. Prior to her writing career, Nancy worked in computer book publishing and as a software training manager at Symantec Corporation. Nancy holds a certificate in distance learning design from the University of Washington and has taught technical writing and online safety at the university level.