Many years ago a geeky work colleague got me into a service called Audioscrobbler. My memory is vague of what software I was using at the time, but this is a protocol that can be implemented in music players

What's the longest you've been on a social site? Most that I used in the early days are dead, but last.fm is still going. It was originally called Audioscrobbler. What it does is to use apps to log all