The original mutation that led to mild telepathic abilities could have come from any number of global scale environmental events, but leave it to the consumer society to figure out how to make an extra buck off of it. The media player with audio implants was the most popular path product, just concentrate on it, and your show or music plays with the audio inside your head. The low profile cap wasn’t a strictly path innovation, per se, but it made the act of concentrating a bit more inconspicuous. Most people stare.
