Acronym for Multiple In Multiple Out. A new kind of wireless internet, consisting of strategically placed antennas (usually 2 internal and 2 external) which broadcast more efficiently. According to them, it can "reach that back bedroom". Runs on most wireless internet cards.
My neighbors can now get even better wireless connection thanks to my new MiMo, so now they can run BitTorrent and suck my bandwidth from even a greater distance.