"ShareThis has 30 day cookies on 95% of the US Internet population, so I was able to easily run an Insight Report of a couple of hundred social actions around r

"ShareThis has 30 day cookies on 95% of the US Internet population, so I was able to easily run an Insight Report of a couple of hundred social actions around relevant terms like "coin," "coin wallet" and "credit card"" Ok, first, yikes! I figured AdBlock would block 3rd party scripts like ShareThis. And second, how do these cookies enable you to run Insight Reports - what data source are they using - just interactions done via ShareaThis, common public social Apis (open-graph), or is there other data these cookies give you access to?