I can second that. Having interviewed a number of SaaS vendors as part of the customer development work we've been doing at StartHQ (https://starthq.com https:/

I can second that. Having interviewed a number of SaaS vendors as part of the customer development work we've been doing at StartHQ (https://starthq.com https://starthq.com) it became apparent that some vendors are seeing as many as 60% of their sign ups using Google OAuth.