As of last week, Lewis, 25, edged out 17-year-old Jordin Sparks by 25 percent, Tancer said. Compare that to his searches for the prior week, which were 270 percent more numerous than hers. Yahoo Buzz is predicting that Sparks will win based on its data. Interestingly, Sparks has a higher proportion of Yahoo searches than Lewis. But Lewis dominated Google searches, Tancer said.