USA Today

AUSTIN—I’m reaching out in front of me with my bare hand when I suddenly get the sensation of pushing into a force field, never mind that I’m not actually making physical contact with anything. A moment later I’m plucking and feeling invisible bubbles – but my hand isn’t touching those either.

Read More: http://www.usatoday.com/story/tech/columnist/baig/2015/03/15/sxsw2015-devices-that-touch-you-back/24814181/