PrettyPark also sends duplicate files of itself to the e-mail addresses listed in the user's Internet address book.

CNN: New 'Trojan Horse' strain may go mainstream

Some suggestions: looking at state records--Jones had updated his driver's license and voter registration address--searching the phone book or the Internet, ordering a credit check or posting a notice on the property.

FORBES: Magazine Article

For its part, Google's kicking in not just the operating system, but also an Internet browser designed for mobility (adapted from Apple's Webkit), a calendar, an address book, maps, e-mail and access to Google's online payments system, which can be used to buy things via phones.

FORBES: Google's Call