prorocesshe gpsps signals and vevery nicely shshow on thp hohow the traffific moves ande eta, t expectetime of arval to t bus sto and that takes quite a lot of effort. we've been doing this for 12 years and we still keep updating and improving the algorithms to do that. >> if taking the bus could be planned d more efficiently, moe people would ditch their cars. that's the theory. it remains to be seen if they really will. 20% of people in vilnius use the trafi app. but it only has a population of 550,000, and a realtively modest public transport system. >> in the future, cities will control that mobility, right, there will be a lot of autonomous vehicles. so the city will have a platform where it will be able to see all the movement in the city and be even able to c control it, contl parking spots, control licences, who is driving in the city and who is not, which hours, which not, logistic services. >> critics might worry about privacy issues, but the mayor of vilnius has no such qualms. he has a radical open data policy and has already incorporated trafi's data pool into the city's urban planning.