2pm today, a group of British media types performing the fine and noble tradition of seasonal cross dressing, get following that hashtag.
Ahhh, the smell of the grease paint, the cast is getting into costume, and we the audience excitedly paused with "he's behind you" and "oh no he isn't/is" on cut and paste. The perfect abuse of technology. More details here.
Should you miss it, there's always @paulchuckle and @barrychuckle ;-)
EDIT: Transcript of #twitpanto available here.