When DARPA issues a solicitation, they are looking for researchers who can develop the particular ability the solicitation calls for. Researchers respond with their ideas, and DARPA awards funding to the most promising proposals. A very creepy solicitation (SB131-002) has now been released, which calls for a “Portable Brain Recording Device & App”. The thing is, this technology is already affordable, if you like that kind of thing, but DARPA wants it to be real easy to get, so it’s gotta be around $30. They need someone who can make it smaller and cheaper, because, according to the solicitation, they want “to promote use by a wide audience”, including children.