PUBLIC MARKS from gregg with tags marketing & "Big Data"

Marketers and advertisers, too, would relish the opportunity to target our future selves with ads like, “Need a haircut? In four days, you’ll be 100 yards from a salon that will have a $15 special.” On the social side, there could even be something like a Foursquare of the Future--who wouldn’t want to know where their friends (and enemies) will be for the rest of their lives…or at least for the next 285 days?