It's also a great filter for the scammers. The people who are non-gullible or medium-gullible will follow. The truly gullible will say "What is the web address?

It's also a great filter for the scammers. The people who are non-gullible or medium-gullible will follow. The truly gullible will say "What is the web address?" To which they respond "citibank-support.blogspot.com"