Federal law allows law enforcement to access cloud-sourced email communications that are more than 180 days old without a warrant, so these companies bucking Congress and it's unclear as of yet whether the courts will endorse these pro-privacy stances.Big Brother Tech: Gun tags suspects with synthetic DNA for future arrestIn Britain, a company is marketing a "gun" for use in riot situations, though one can imagine other applications, that "shoots criminals with DNA tags, marking them for… [read post]