if you report something, they will mention that wayser john 24. >> don't say he's not at home now, house standing empty. >> i love this app. i use it all the time. i guess i'm contributing to the crowd, using the crowd's features but i don't do the games or report my name. i just use it as a traffic app. it's great for that. you also get data from the traditional road censor sources? >> no. we would like to cooperate with the road sensors but as a free app we can't afford to pay for the data. we'll bring in data from free sources. >> is there a point you will be selling your data to them? or does it run counter to your business in the sense you're helping them? >> we have to make the decision. are we selling data or building a community? we care about users in the community. >> there is wrst the evidence coming from? >> silicon valley. >> revenue. >> i'm sorry. >> you're a reporter. don't apologize. where does the revenue come from? >> location-based advertising. all of the things we say will happen and never happened like the iphone took forever. same thing with location-based advertisi