> If you want to be private, don't use a social network where you are the product. That's all well and good, until someone posts a photo of you, tags you in a

> If you want to be private, don't use a social network where you are the product. That's all well and good, until someone posts a photo of you, tags you in a message, or embeds its tracking widgets on another page you visit, and you become its product despite not being its user.