Before you disable it, the site warns you that "This will also prevent you from logging into apps and websites with Facebook because your activity will be disco

Before you disable it, the site warns you that "This will also prevent you from logging into apps and websites with Facebook because your activity will be disconnected from your account." This annoys me, because Facebook login is actually quite convenient, and they've gone and bundled it with lots of random third-party tracking. Nothing technically required them to do this -- they could surely offer it as a separate feature.