"The "login" bit is often not where the biggest win for third-part auth is. It's in reducing friction in registration." Yes, which makes it particularly annoyi

"The "login" bit is often not where the biggest win for third-part auth is. It's in reducing friction in registration." Yes, which makes it particularly annoying when a website advertizes sign-up via social network only to immediately follow this sign-up with its own registration form, making the social network signup stage an additional stage in signing up, rather than a substitute.