We've got several tools that perform the same basic functionality for Italy - find businesses, show maps, draw routes. But this does all those things at the same time, in a more intuitive way. I hope it lands on Europe sooner than later!
Lots of options like in http://www.google.com/help/cheatsheet.html
It's a dictionary too! A really good one! And a calculator!
Try typing:
speed of light in furlongs per minute
Or:
speed of sound in yards per hour
Or for something more conventional:
quarts in 2.5 gallons
I used it today because I needed to know
63418 centimeters in feet
I had to use it once to find:
radius of Earth in meters
for a Physics problem I was working.