brian wieser has pushed back against a the ascent of google, amazon, apple, facebook, and joins us nowal networks dead? brian: the traditional stories of advertising's will continue to lose share, but it doesn't mean that it beers off its historical trajectory. if you look at global advertisers, it feels about right. domestically, it's probably closer to 3%. nothing changing from that. facebook, google, and amazon will bring up the chart. tom: it has been a wonderful supporter for our work at bloomberg surveillance and here is wpp down through all of 2017. let's throw it out on radio and twitter in a moment. is the market going to have a better 2018? >> the agency space is the world for 18 years and unfortunately i think agencies are going through a whole other level of problems. tom: is mark zuckerberg an ad agency? why is he not an ad agency. everyone else says he is. brian: if you are a marketer and you really want to get screwed, and your money over to facebook. tom: why am i may -- wasting money with fan -- with facebook? why is sheryl sandberg a bad person? brian: i didn't say th