I think social media platforms are slowly building towards generating massive personal data. I thought with the advent of Facebook timeline, user events (both macro and micro) would be well documented in an aggregate consumable form.

Where do you get your revenue for personal analytics like this? Therein comes super targeted ads with pinpoint accuracy, using predictive analytics at a personal level. If you buy a brand of milk only on Saturdays, rivals have a higher incentive to strut their wares on next Saturday.