The Wall Street Journal: In the latest effort to tailor ads to specific consumers, marketers are starting to personalize in-store promotions based on products the consumer recently picked off a shelf or purchased -- and in the near future, based on what the shopper looks like.
Dunkin' Donuts is among the first marketers in the
U.S.
to begin testing the technologies, at two locations in
Buffalo
,
N.Y.
