Last week, Craig Newmark - the founder of Craigslist - warned Internet users everywhere about the appearance of a fake Craigslist site: "Just to let people know in a hurry, the site www.pay-craigslist.org has no relation to us, and we're escalating dramatically now. Please get the word out." On a tip from Curbed, we checked out the fake site, but apparently the site had already been taken down. Given Craig's crackdown on unethical New York real estate brokers, we suspect that the site will remain down for a very long time...