Anyone concerned about civil liberties should be very concerned about this video from Bloomberg.
Electronics have now been developed that are strechable to wear as a "tattoo". These devices can also be surgically implanted.
When we consider where the financial system is headed, is this the precursor of electronic "cash" where no one will be able to buy or sell if they refuse these devices?
 And he shall make all, both little and great, rich and poor, freemen and bondmen, to have a character in their right hand, or on their foreheads.  And that no man might buy or sell, but he that hath the character, or the name of the beast, or the number of his name.  Here is wisdom. He that hath understanding, let him count the number of the beast. For it is the number of a man: and the number of him is six hundred sixty-six.
Revelation 13:16-18 Douay Rheims translation