ed black, ccia. you articulated very well the balance of encryption between security versus if you will, privacy and security. and whether there is a solution that is satisfying, i think the hard question to answer but hypothetically, if there was a solution that law enforcement pretty acceptable, who have a further battle, i think, international context because riley have a great deal of process and procedural productions, the world is not in many regimes river us standard would be developed, would in fact be transferred globally and would have presumably whatever was the us, part of the protections is what would make it but that standard then becomes a de facto standard for the world and there are many regimes that would be grossly misusing that. >> i have two responses to that. the first is really challenge of -- major corporations are complying now. there are companies already that are making accommodations because they have to do it in order to do business in the countries that have different re