. >>> let's get out to julia borsten who has another special guest. >> hi, i'm joined about it head ofsales for facebook also giving us an exclusive nugget of news you're announcing today that instagram stories has 250 million daily active users it's up from 200 million in april and you just launched that stories format in august the question, is how are you making money from that growth? >> it's amazing. if you think about it, a year ago when we sat together, instagram stories didn't exist today on the platform, we not only have 250 million people using it but actually a third are businesses using instagram stories and one million advertisers. and so not only are advertisers using and benefiting from the instagram feed and utilizing stories as a great format. beats by dre and michael kors are two of them. >> how much are they spending in ads? >> investments are growing across the board. >> now is your user growth of that stories format coming at the expense of snapchat? >> our user growth for stories is actually coming at the explosive growth for instagram overall. instagram is now at