Researchers in Japan have smashed the record for wireless data transmission in the terahertz band, an uncharted part of the electro-magnetic spectrum.
http://www.bbc.co.uk/news/science-environment-18072618
Yeah but.... is it really going to be that useful? lol, NFC replacement sure... but that's worrying to think that 1 day, all your data could be copied as you walked past.