our analyst ron josie has been highlighting the web services story.part of the bays business is growing at 60%. their ebidta margins are in the mid 20s and they really are defining a new space. it's a multibillion-dollar business for them growing again at 60%. it's a catalyst for the stock in 2016. it's been a great story in 2015. their core business at retail we all know, it they're innovating better than anybody. slow grower but operating margins up 20% in that's a about. the a terrific story, you've just got to decide what to pay for it and on days like today when the markets hit that's when you want to pay attention to amazon. >> facebook. and you pointed specifically to instagram. >> so instagram's a great business for them. the number of users on instagram has gone from 300 billion users at the end of 2014 to about 400 million this year, and you'll start to notice much more on the advertising spend on that business. if they get anywhere close to the kind of rates they're getting on the core facebook business, that instagram is going to be such a