Cao’s blog http://caosblog.com/ Not sure it’s the same Cao, but she’s been around a whilte. Check out her logo.
Different "Cao." I forgot her real name, but some bloggers outed her a couple of years ago (I just know that Cao isn't her last name). If you check out the "About Cao" section on her blog, you will see how she came up with the name, "Cao."