Mark Zuckerberg proudly announced on the Facebook blog this week that the popular social network continues its global dominance jumping from 200 million to 250 million users. To commemorate the milestone, Facebook created a  map that visualizes connections and adoption worldwide. Zuckerberg credited you and me and the social graphs we weave with its phenomenal growth, “Each person who joins makes Facebook better by adding a presence to the site that friends and family can connect with and feel closer…