World's first "Social Media Train"?

Now this looks exciting.

The Social Media Train - Weds 10th February 2010 - 6:36pm - 9:41pm - The Penistone Line between Sheffield and Huddersfield

The world's first Social Media Train will depart Sheffield Station at 18:36 on Weds 10th February 2010.

Full details available here.

Eye wonders if there is a hashtag for this and whether passengers will be twittering en-route?

UPDATE: This, via twitter, from @technicalfault...

The hashtag is #smtrain

And I'll be on it.