'The Twilight Saga: Eclipse' trailer, promotional, and release date updates revealed

'The Twilight Saga: Eclipse' - Summit Ent.

A few great new parcels of information about The Twilight Saga: Eclipse have emerged over the past couple of days, so to be concise and efficient, here is a wrap-up of the latest in Eclipse developments.
For starters, a recent press release about Twilight film studio Summit Entertainment's newest marketing strategy highlighted some of the efforts being made on the promotional end for Eclipse and how we've already seen them employed without really knowing it. 

thisMoment, a company focused on creating engaging experiences at the point where social media, mobile devices, and the real-time Web collide, today announced that Summit Entertainment is leveraging its Distributed Engagement Channel (DEC) to create an official interactive experience for Twilight fans and moviegoers online.

The new channel, which connects fans across Facebook, MySpace and YouTube, will feature exclusive interviews, real-time chat functionality across multiple web environments and live streaming video from upcoming Twilight Saga events.

The release reveals that this was the mechanism utilized in the recent live chat that actresses Bryce Dallas Howard, Nikki Reed, and Julia Jones participated in (see here for more on that).
Now that we know this was a new tool being used for marketing and interactivity purposes with The Twilight Saga: Eclipse, what did you think of it? I found it very efficient and user-friendly, but your thoughts on this are welcome in the comments below.
Moving right along.
Internationally, it seems, some of the release dates for Eclipse have been listed on the film's IMDb page. His Golden Eyes has a run-down if you'd like to check that out.