There can and must be only one answer to such a request:
"You want WHAT!? Are you joking?"
If they weren't joking, walk out immediately, stating why. Warn others.
I could and would never work in a place where a "social network username and password" field has made it as far as the application process, even if it isn't mandatory (yet). And neither should you.
If they weren't joking, walk out immediately, stating why. Warn others.
I could and would never work in a place where a "social network username and password" field has made it as far as the application process, even if it isn't mandatory (yet). And neither should you.