What do they do with it? Share it with the NSA ofcourse.
NSA certainly doesn’t use it to thwart terrorism. The attacks we’ve seen have been from known wolves who’ve already been reported to the authorities by concerned citizens and family.
The FBI even sat idle and watched as a team of terrorists attempted to storm the “dram Mohammed” cartoon contest in Irving Texas, as if it was permissible to let them take out critics of radical Islam. The event organizers were not informed of the credible threat to their lives.