What's the difference between a CD and a DVD?

Q: My company wants to distribute our new brochure interactively. What is the difference between a CD and DVD?

A: Great question. An interactive brochure is a great way to go.

Why DVD is better than VHS:
it looks better
it has random access
it can run on a computer
cheaper for volume copies and shipping
almost indestructable
High Resolution Digital Quality
8 languages/ 32 subtitles
security/copyright protected

Why DVD is better than VHS and CD:
can hold many times the material
can play on a DVD player
full motion/full screen video
5.1 channel surround sound
runs on any operating system with no software to download
standards have been set
can store any application files (Powerpoint, PDFs, etc.)