[Barnacle]

"And he causeth all, both small and great, rich and poor, free and bond, to receive a mark in their right hand, or in their foreheads: And that no man might buy or sell, save he that had the mark, or the name of the beast, or the number of his name."

From "The Revelation", prophesy written by St. John about 1,950 years ago. You see, it's not an original idea at all. It's just that in the last few years, it is technically possible. All that's needed now is an impetus like terrorism to get the general population to accept it.

[The Bard]

Revelation 13:16
And he causeth all, both small and great, rich and poor, free and bond, to receive a mark in their right hand, or in their foreheads:

I have always been a suporter of the King James Bible. If you do a search on this chapter and verse of Revelation, say on a site like Bible Gateway, you will find that if you compare the King James to all the other Bibles, almost all other Bibles say the Mark will be ON the hand or ON the forehead. Looks like the King James may be calling this one correctly.