Google tinkerers

CNN reports Tracking sexual predators in Florida. Guiding travelers to the cheapest gas nationwide. Pinpointing $1,500 studio apartments for rent in Manhattan.

Geeks, tinkerers and innovators are crashing the Google party, having discovered how to tinker with the search engine's mapping service to graphically illustrate vital information that might otherwise be ignored, overlooked or not perceived as clearly.

Google, for its part, is firing off some very gentle cease-and-desist letters to some people.