I think that social vs non social logins probably segments your users into 2 different types of people. I consider myself to be a very savy Internet user - I do

I think that social vs non social logins probably segments your users into 2 different types of people. I consider myself to be a very savy Internet user - I don't trust social login. I don't think any good can come from connecting my accounts like that and I know that some site is going to do something inappropriate on my behalf. As users become more savy (read: cynical) I think you'll find the develop the same view point. Additionally we found on our site that social login increased conversions for signups but those people are generally of lower value to our freemium product in the long run because they're less likely to want to pay.