Offshore sites will not be immune from the crackdown, said Pitkow, because almost all of them depend on banner ads served by U.S.-based services. Because the DMCA requires the ad service to act against any violator, Attributor says it can interdict the revenue lifeline at any offending site in the world.
Attributor already has been engaged by several major book publishers to get unauthorized eBooks off unauthorized sites. "And we have 99% success rate," he said.
I have a theory that it's impossible to prove anything, but I can't prove it.