I crawled one page of the top 15 million websites and 6 million of them had some kind of microformat thing on the front page, mostly opengraph (1/2) and twitter

I crawled one page of the top 15 million websites and 6 million of them had some kind of microformat thing on the front page, mostly opengraph (1/2) and twitter cards (1/4), but that's still something. And for those who are wondering why I think it's interesting to find Facebook opengraph and twitter cards markup, it's because you can use it for decentralized purposes.