I had an early fb app that let you track shows from a band you had been to and display this on your wall. I was able to download tons of user data. I think the

I had an early fb app that let you track shows from a band you had been to and display this on your wall. I was able to download tons of user data. I think the guide was to only take what you need and you were not supposed to store it longer than 48 hours. But that was def an honor system thing and I’d be surprised if people were purging data back then. It was (still is?) the Wild West with consumer tracking.