Google Maps mashups

For a fun thing to do over the three-day holiday, explore the many ways you can use Google Maps mashups (50 ways in fact!) at
http://googlemapsmania.blogspot.com/2006/12/50-things-to-do-with-google-maps.html

To whet your appetite here are a few you will find on the page:

Locate a nearby Starbucks

Find the red light cameras on your daily commute

Determine elevation in relation to sea level of a particular site

Map the impact of rising sea levels, meter by meter [yikes, I should have put this one first. Given the possibility of global warming, it's horrifying. Be sure to check this before buying coastal property.]