If you’re logged into a social media account and encounter a “share on said social media” button, this is dutifully logged and provides metrics of the types of groups encountering said button.

It’s not for sharing, it’s for metrics about what kind of people view the site/article/top ten list/hardcore porn. Targeted advertisement is cash money.

Remember to stay away from goat cheese too, it will give you saggy balls! I have this on good authority from a kid back in first grade and have since had a restrained relationship with goat cheese.