What is the Difference Between Movie DVDs and DVDs Made on a DVD Recorder or PC?

DVD is the most successful home entertainment product in history. Ever since it was introduced in 1997, DVD has taken off like a rocket and can be found in a growing number of practical configurations. To find out the answers to some basic questions on DVD, check out my DVD Basics FAQs. This week I answer the question: What Is The Difference Between Movie DVDs And DVDs Made On A DVD recorder Or PC?