OMMA Global host Cory Treffiletti kicked things off this morning by recapping some of the highlights of day one. Here's what struck him most. Disruption: "Disruption turns into chaos and learning." Who Owns Social Media Strategy for a Brand? "Personally, I think the brands are the ones that should own the social media strategy for themselves." "It's very possible that we don't need standalone agencies representing social, or representing mobile." Online Display "The DSPs are only as successful as the publishers allow them to be. What if a year or two years down the …