It seems that Denver, which has seen it's popularity in scooters rise perhaps earlier than most of the country, is also starting to see a little bit of the negatives before everyone as well. Ever seen a scooter stolen in 11 seconds before??
Check this out.
This video illustrates why sometimes locking your scooter up isn't enough. It does give some helpful hints to combat this, but it doesn't explore anti-theft options too deeply. I would also suggest, depending on your neighborhood or other enviornmental variables, an electronic alarm, or electronic alarm brake lock.
Or a garage...