. >> i thinkhiis a core part of what makesacebook facebook is that we really are focused on users firstand for the long-term, right. we believe that if we build a product where people can connect and can express all the things that they want about themselves that over the very long term we'll have a lot of people doing that, because that's a core human ing where people want tdo that. and they will be very active. and we'll have opportunities to sell advertising and do all these things and build a great business. but none of that is the leading thing that we're pushing for. what we are pushing for is the mission. we think if we succeed on that we willed whether a great business. now if i just think there is this core part of people, where they want to express things about themselves. so the question isn't what do we want to know about people, it's what do people want to tell about themselves. right. and we try to answer that question continuously we think this year one of the big things people want to express are what are my favorite songs and different media that i consume. there has be