This technologies are intrusive to the privacy of our body. They only help the federal agencies like homeland security, FBI, CIA, FEMA,TSA,DARPA and police to create profiles on the citizens of the USA infringing in our civil right and constitutional rights. How's really funding this research? The department of defense, or other covert government agencies trying to maintain secret profiles like the FCC in 1996 tracking cell phones and the compliance to manufactures to have back acces to ear drop to our conversations without warrants like the patriots act. this is not China. We need first if this system of security are legal and constitutionals.