<A target="_blank" href="http://www.wired.com/epicenter/2010/07/facebook-fatigue/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wired%2Findex+%28Wired%3A+Index+3+%28Top+Stories+2%29%29">Maybe it's that they're running out of people to sign up. Or, maybe </A>its the result of all the controversy over privacy issues. It now looks like the Facebook "fad" may be fading.