Wagner doesn't own a stake in HDNet--"There are applications for HD, of course, but it doesn't drive the train of things I'm doing"--though he sounds like someone who has gone native.

FORBES: Hollywood Squares

My point is this: I'm not saying having a Twitter feed instantly makes you a decent train company - it certainly won't get rid of complaints about fare increases and cramped conditions - but it does at least indicate you are trying to engage with your customers.

BBC: Does social media work for train companies?

The eastbound train, headed to New Haven from Grand Central Terminal, derailed at about 6:10 p.m. just east of the Fairfield Metro station, and hit a westbound train on the opposite track, Metro-North spokeswoman Marjorie Anders said, knocking several cars of that train off the rails.

WSJ: Train Derailment Injures Dozens