Although its creator, Beorn, dropped a hint of this new tool a few days ago, there hasn't been a proper frontpage post on it yet!
With the new Fireteam Builder, you can help schedule an event with other members of the community to take down Atheon or Crota, or tackle other challenges in Destiny. Read this post for more details.
Another good reason to join the DBO community!
The news-wheels are slowly spinning back up from the holidays, although there's still New Years and another Christmas I have to attend. Not really a bad thing, that is! Anyways...
Rampancy's taking their Let's Play series forward into the new DLC with a video of encountering Eris for the first time and playing through the first level, Fist of Crota: