Mark Zuckerberg named his dog Beast...
Wikipedia: Some interpret the mark as a requirement for all commerce to mean that the mark might actually be an object with the function of a credit card, such as RFID microchip implants.In Christianity, some believe the implantation of chips may be the imprinting of the Mark of the Beast, prophesied to be a requirement for all trade, and a precursor to the events of the second half of the Book of Revelation.