File under: "If you say so..." About.com has posted a list of Chicago's five most popular sites as determined by daily visitors. While I can buy Craigslist, I'm a bit skeptical that the local UVa alumni club pulls more traffic than, say, the Tribune's site, which isn't even listed. Speaking of it, though, Daywatch writer Charlie Meyerson is hosting one of chicagotribune.com's first online chats today at noon; get interactive here.