This makes me wonder why federated login via Facebook doesn&#x27;t meet this need. It works quite well, but perhaps the OAuth confirmation scares people off (or they are worried the requestor will access data they don&#x27;t wish to share, post on their behalf, etc.)<p>There is something really compelling about the totally-seamless experience, but do I as a user actually want that? I suppose it depends on my trust in the platform holder.