Japanese mobile users hankering after short bursts of original video will soon gain access to Nottv, a platform designed to capitalize on the nation's love of smartphones as well as its now empty analog TV frequencies. The service is different to Japan's other smartphone-TV network, One-Seg, which just relays terrestrial broadcasts to your mobile device -- not least because it lets you share snarky ripostes after watching a clip. It's backed by the country's major channels as well as NTT DoCoMo and it just needs the heavy rubber stamp of governmental approval before you can start hunting down co