If you Do a little Creative niche Thinking and Brainstorming...

You'll come up with all kinds of interesting Possibilities...

Keep in mind... Everyone needs Map information and Businesses want to be "Found" online & offline...

http://blogs.pcworld.com/staffblog/archives/005142.html
http://maps.google.com./help/maps/mymaps/create.html

Here's a few Excellent map resources... Maps into Cash!

http://googlemapsmania.blogspot.com/
http://coolgooglemaps.blogspot.com/
http://google-latlong.blogspot.com/
http://mashable.com/2007/07/11/google-maps-mashups-2/

Phil