Question of the Week - Are Blu-ray and HD-DVD Players Compatible with Standard DVDs and CDs?

Although DVD is the most successful home entertainment product in history, ever since it was introduced in 1997, it lacks True High Definition playback and recording capability. Two competing camps have come up with a solution: Blu-ray and HD-DVD. To find out the answers to questions about Blu-ray and HD-DVD, check out my latest "Question of the Week Series" on Blu-ray and HD-DVD Basics. This week's question: Are Blu-ray and HD-DVD Players Compatible with Standard DVDs and CDs? Also, be sure to check out my complete Blu-ray Disc and HD-DVD FAQs.