If there's one thing Foursquare actually does right, it's fantastic visualisations of where we've all collectively checked-in. The latest, called the Time Machine, focuses squarely on you and not everyone.
Click here and you'll be transported back in time to your first check-in. You can slip forward and backwards in time of every check-in and even see infographs based on all your stats. Not bad for a sponsored piece of content.