score foruse const our advertisers.t is pretty far off our audience numbers, which are closer to a global audience of about 400 million people. they do not directly measure mobile traffic so it is very hard to get the full picture of it. emily: marissa mayer's acquisition strategy has been criticized and tumblr is her biggest acquisition so far. critics said, tumblr was not making money or growing. how do you respond? we were and are growing very fast. if she wanted to buy a profitable company, there are plenty to choose from. she saw a real path forward and something she thought could be not just a big business by the business with a lot of alignments with yahoo! we are a year in and we are about to have a lot to brag about. emily: what is tumblr's ad strategy within yahoo!? david: we have this really novel ad platform. it is all about wide open creative expression trying to , get the most creative parts of the industry, to give them a space, a digital space where they can tell those same stories. where they can inspir