When GPS first came out on phones, it was pretty useless for anything other than police tracking in case of emergencies. Today it is making the devices that we hold in our hands even more personal than our personal computers. For now, we can get a latitude, longitude, and timestamp very dependably. The geolocation API specification from the W3C can be found at http://dev.w3.org/geo/api/spec-source.html.

For now, we'll pretend that we have a poster prompting the user to scan a QR code to find the nearest theater and show the timings. It would bring the user to a page like this:

Since there's no better first date than dinner and a movie, the movie going crowd tends to skew a bit to the younger side. Unfortunately, that group does not tend to have a lot of money. They may have more feature phones than smartphones. Some might only have very basic browsers. Maybe they have JavaScript, but we can't count on it. If they do, they might have geolocation. Regardless, given the audience,...