People are blowing up about the video without all the information. Remember, Bungie let in all the major news ppl in gaming to show off. You will get a more complete understanding if you read them.
Said "raid party looks like it will be 6 people"
[url]http://www.polygon.com/forums/destiny/2013/2/17/3998410/destiny-live-chat[/url]
^ Plygon talking live about Destiny. Addressing a lot of the questions I am seeing on the forums, in real time.
[url]http://kotaku.com/5984648/everything-i-know-about-bungies-next-first+person-shooter-destiny?utm_campaign=Socialflow_Kotaku_Twitter&utm_source=Kotaku_Twitter&utm_medium=Socialflow[/url]
[url]http://www.joystiq.com/2013/02/17/destiny-in-the-stars-exploring-bungies-10-year-plan/[/url]
This one form polygon is by far the best and most comprehensive article.
[url]http://www.polygon.com/2013/2/17/3993058/destiny-bungie-first-look-preview[/url]
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The guy that Polygon is interviewing is one of the people who spent 4 hours learning about Destiny. Just said he didnt feel any connections between the Destiny universe and the Halo & Marathon universes.