Once people have signed up for the game, and revealed their and their families' e-mail addresses and fax numbers, they will start receiving mysterious communications, sending them to peculiar websites and entwining them in what should feel like a real-life mystery.

ECONOMIST: Games and the Internet go well together

Prosecutors have sought phone records from reporters before, but the seizure of records from such a wide array of AP offices, including general AP switchboards numbers and an office-wide shared fax line, is unusual.

WSJ: Gov't probe obtains wide swath of AP phone records

Businesses have been encouraged to fax-back information or to respond to text messages by calling premium rate telephone numbers which begin 070 or 09.

BBC: Oftel issues scam warning