Cities pulse via Foursquare check-ins
Foursquare check-ins can be self-encapsulated and personal to the individual, where each dot represents a specific place in time. Each point represents a stop at a restaurant, store, or place of business. However, look at check-ins from lots of people and movement appears, which is the premise of Foursquare's latest videos.
Because it's Foursquare, there's an added dimension of location categories, so color codes show people go to work, grab lunch, shop, and get after-work drinks.