english: We started with paper, we moved to a mobile application, web, and now even a controllable thermostat, and for the last five years we've been running the largest behavioral science experiment in the world.
non_english: Počeli smo sa papirom, prešli smo na aplikaciju za mobilne telefone, internet, sada čak i termostat sa upravljanjem, i u poslednjih pet godina sprovodimo najveći bihejvioristički eksperiment na svetu.