I don't know if it's just me, but I'm noticing that a lot of my friends have been less active on Facebook these days. Are we getting busier, or is the site's popularity starting to wane? About a year ago, I told some of my closest friends that I predicted the social networking behemoth would eventually go the way of MySpace. It's to be expected of all these sites: They are simply fads. Once something new comes along -- I don't know what that will be but I'm sure Google or another of these huge companies has something in the works -- people gravitate toward it. The same applies to a wealth of consumer products we purchase and use every day -- from clothing to cars. I know a lot of people -- myself among them -- who sometimes feel like their friends go overboard by posting on Facebook the most minute details of their lives on a daily basis, from what they're having for dinner to why they hardly got any sleep last night. We all want to keep in touch, bu...