Why Facebook's new Open Graph makes us all part of the web underclass | Technology | guardian.co.uk
At least Facebook is upfront about Social Graph. Facebook's abuse of its Like button to invade people's privacy is much less publicised. We all think we know how it works. We're on a website reading an interesting page and we click the Like button. A link to the page gets posted to our wall for our friends to see and Facebook keeps this data and data about who clicks on it to help it to sell advertising. So far, so predictable.
What most people don't know is that the Like button tracks your browsing history. Every time you visit a web page that displays the Like button, Facebook logs that data in your account. It doesn't put anything on your wall, but it knows where you've been. This happens even if you log out of Facebook. Like buttons are pretty much ubiquitous on mainstream websites, so every time you visit one you're doing some frictionless sharing. Did you opt in to this? Only by registering your Facebook account in the first place. Can you turn it off? Only by deleting your account. (And you know how easy that is.)
I log into Facebook rarely, and never check the box that says "Keep me logged in." Please don't tell me I am still being tracked.
