In concept, it’s kind of interactive Twitch.

Originally shared by Ninja On Rye

Two people send thoughts to a third person to play a game of tetris in a 3-person brainnet proof of concept.

It’s currently low-bandwidth, but as the description below really captures the wow aspect of this research:

Stocco and his colleagues have created a network that allows three individuals to send and receive information directly to their brains. They say the network is easily scalable and limited only by the availability of EEG and TMS devices.

https://www.technologyreview.com/s/612212/the-first-social-network-of-brains-lets-three-people-transmit-thoughts-to-each-others-heads/