Google's new e-mail service sparks privacy concerns.

Search engine giant Google has announced plans to introduce "Gmail" a free Web-based e-mail service that would offer users 1 gigabyte of storage. In return for the storage, Google's technology will scan users' incoming e-mail and then deliver targeted ads based on key words in the messages. For instance, a user receiving a message about a friend's new car might also receive ads from insurance companies, gas stations, and repair shops.

And that has privacy watchdogs around the world barking. European groups recently lodged a complaint with U.K. authorities, charging that Gmail may violate Europe's strict privacy laws because it stores messages where users cannot permanently delete the