Frances Haugen, a young Facebook engineer, enlists the help of Jeff Horwitz, a Wall Street Journal reporter, to go on a dangerous journey that ends up blowing the whistle on the social network's most guarded secrets.
TrailR is invite-only right now — but it starts with an account. Sign up, and you'll unlock the part where you beg us for early access. (We're into it.)
Already made an account in the app? You're done here — that same login works.
Sign up here on the website or in the app.
Same account either way. One you. One TrailR. Two front doors, same house.
