When a week’s vacation can leave us behind on social media trends, early adoption becomes more about pattern recognition than bandwagon jumping.Mediaphiles dismissed Foursquare as a toy, until it suddenly owned the geo layer. Internet junkies took afternoon naps and missed Pinterest’s leap to #3 in social networking. Mom couldn’t log into Hotmail; now she owns Farmville. All of these trends were forecast well before their big breaks, largely due to the astute eyes of early adopters who are ready to add new and fresh tools to their media-consuming arsenal.Here are eight media trends we’re tracking right now. Some are right on the cusp of becoming mainstream and others still have a bit to cook before breaking the surface.