Penney and Coca-Cola 's Brazil unit, have signed on for Microsoft's test of the program, hoping it will lead to "smart" ad spending that will target only ready buyers.

FORBES: Magazine Article

Penney (nyse: JCP - news - people ) and Coca-Cola 's (nyse: KO - news - people ) Brazil unit, have signed on for Microsoft's test of the program, hoping it will lead to "smart" ad spending that will target only ready buyers.

FORBES: Don't Let The Customers Drive