RE: The 'mark' without which it will be impossible to buy or sell as the Bible predicts--is already injected in Mexico's leaders and a number of people in this country--reportedly including Bill Gates' kids."
This site posits another idea regarding the mark of the beast. There are many more, too.
http://www.torahofmessiah.com/markofbeast.html
A midly interesting but far from convincing doc.
I'll stay pretty confident of the SLAG [chip implant] interpretation.
It's the only ID thing designed to be tied into the buying and selling system worldwide. And the only one on the horizon.
I firmly believe in a very literal mark.
Time will tell.