What the web can take from you
taken. shares the things it learns about you just by visiting:
Every page you have ever visited knows at least this much.
Most of them know more.
None of them told you.
The information is presented with some amount of dramatic flair, but things have gotten so out of hand it feels like a little dramatic flair is warranted.
For people in tech—especially those who work on the web—most of this probably won't be a surprise, but even then it's a good reminder of the current state of things and how much work we have to do to make the web a better place.