Is the geeky, sniggering, know-it-all world of ham radio alive and well in the UK? The answer of course is, who knows and who cares. But it’s clear a similar crowd is being attracted to a new craze – podcasting. That, at least, could well have been the impression some took away from PodcastCon.co.uk, the first ever conference held on podcasting in the UK yesterday. Ok, let me back-up here.