Million people a day. they can even count how many people are inside a building. the city's already using the data, providing pedestrian counts to small business owners in the city's online business atlas. there's promising potential for data integration with consumer apps. >> if our data was instead of yelp or google maps, you could set up an alert telling you that restaurant that you wanted to try but is always packed that right now is the right time to go. >> reporter: today the company only covers 25% of the city. to help count the rest, place meter is offering to pay residents to stream v...