Sorry about that - I have to be the 300th person to make that joke on a blog today. Don LaFontaine died today. Who is Don LaFontaine?

LaFontaine's vocal talents have appeared in over 5,000 movie trailers and nearly 350,000 commercials. He is most famous for the introductory line, "In a world..."

This might clarify it further:

[youtube=http://www.youtube.com/watch?v=OMR3SWOB5dA]

Enjoy this also:

[youtube=http://www.youtube.com/watch?v=7QPMvj_xejg]

One more, just because its interesting:

[youtube=http://www.youtube.com/watch?v=JVxP33iQ6KM]