http://www.thinkexist.com Your Quotations website en-us Copyright ® ThinkExist 1999-2006 info@thinkexist.com Fri, 01 Jan 2010 00:00:00 EST "It's the most universal of the digital delivery platforms. Almost everyone is familiar with it, it's relatively simple to use, and it can be used in a PC at the office or on an airline flight, or taken home to view. The DVD is just a convenient package for educational material." http://en.thinkexist.com/quotes/geoff_clendenning/