on tap for the next hour, former yahoo president, sue decker, the co-founder of linkedin, reed hoffmanmobile, john ledger, dow recaptured gains. ♪ if you're looking for a car that drives you... ...and takes the wheel right from your very hands... ...this isn't that car. the first and only car with direct adaptive steering. ♪ the 328 horsepower q50, from infiniti. advertising market. this disruption accord doing yahoo's former president, sue decker in a post on her blog. she sits on boards of intel, costco and berkshire hathaway and she joins us here at one market to explain what's happening in the online ad market. it's good to have you here. >> i appreciate being here. >> even though you say there are an increasing number of start-ups chasing this market, the incumbents will end up having the larger slice of the pie. why do you say that? >> i look at market now. you say the top 15 companies globally have 70% of the online ad market and they've been growing faster than the market. actually if you look at last year, the top 15 companies grew 21% in aggregate and the market grew 17%, wha

reed hoffman, co-founder offed linkedin will join us and john ledger.those who want to feel well rested and ready to enjoy the morning ahead. aleve pm. the first to combine a sleep aid... plus the 12 hour pain relieving strength of aleve. for pain relief that can last until the am. so you... you... and you, can be a morning person again. aleve pm, for a better am. don't just visit new york. visit tripadvisor new york. with millions of reviews and the best hotel prices... book your next trip at tripadvisor.com today. >>> good morning it is 8:00 a.m. at apple headquarters in cupertino, california also 8:00 a.m. here at one market in san francisco, "squawk alley" is live. ♪ whatever happened to predictability ♪ ♪ the milkman ♪ ♪ the paper boy ♪ ♪ the evening tv ♪ ♪ everywhere you look ♪ ♪ everywhere you go ♪ ♪ there's a heart ♪ ♪ i to hold on to ♪ ♪ everywhere you look ♪ ♪ everywhere you look ♪ >>> good tuesday morning from a windy and chilly san francisco. we are still live here at one market. our new studios in the city by the bay. joining thus morning,