This was one of them: https://www.indiegogo.com/projects/muse-the-brain-sensing-headband-that-lets-you-control-things-with-your-mind https://www.indiegogo.com/p

This was one of them: https://www.indiegogo.com/projects/muse-the-brain-sensing-headband-that-lets-you-control-things-with-your-mind https://www.indiegogo.com/projects/muse-the-brain-sensing-he...