Situationist is an app to make your life more unpredictable. Based on the Situationist International ideas it attempts to create random rendez vous interactions with strangers. You upload a photo of yourself and select a situation you’d like to happen. This situation might occur at any time, anywhere with a total stranger.
You’d need a lot of users to make the chances of a situation actually to happen big enough that every user would at least experience it once. Nevertheless it’s an awesome idea. Check this stuff out here.