Look at your (or a friend’s) Foursquare, Facebook or other social network stream. Make a list of places and brands the person has checked in to or posted about (N.B. Foursquare is particularly useful...

Look at your (or a friend’s) Foursquare, Facebook or other social network stream. Make a list of places and brands the person has checked in to or posted about (N.B. Foursquare is particularly useful for this as you can see top place categories in the account profile).

What do these places or brands say about the person posting? Which places do not appear – and why?