What happens when a woman goes online? She becomes a girl. The unwritten contract of the internet, that a user is what is used, extends from the well-examined issue of data privacy and consent to the very selves women are encouraged to create in order to appear. Invited to self-construct as "girls online," vloggers, bloggers and influencers sign a devil's bargain: a platform on the condition they commodify themselves, eternally youthful,...