Contained within the video you can see some new areas and of course the Weapons and Combat capabilities that Connor possesses.
It also seems that the bomb throwing enemies of Assassin's Creed: Revelations will be making a return to the game world where they will be referred to as "Grenadiers".
There is a segment detailing Connors hand to hand abilities...yeah he's practically a ninja.
Something I'm personally excited for within this trailer is the Convoys, which you can ambush and loot I presume which will be great as it will be great fun stalking them from above until the perfect moment to strike and the summer-time forests look great.
The next episode will be about Connor and his story and I presume the supporting cast.
Thanks to ACsenior for bringing this to my attention.