Next in Marketing spoke to Donna Speciale President Sales and Marketing at TelevisaUnivision about what's happening in the TV ad market as Nielsen faces a number of new challengers. Not only does Speciale question whether any one company will be able to claim the measurement mantle - she believes that TelevisaUnivision's Hispanic American audience is being severely undercounted - which is why the company is going it alone in building a proprietary Hispanic audience graph.