Small Biz Social Networking
Most articles about using social networking are radiantly positive. (This is a representative sample.)
On the other hand, here are ten reasons not to bother with social networking. To summarize its author's point of view: "In the end, your activity level will be high and your results level will be low--or zero... You'll love the contacts it seems you are building, but see how many of them lead to any business or profit. The most communicative will be the least productive. The early days of the Internet proved that you can accumlate a lot of clicks and no profits."
Find this article at http://thelibrary.org/blogs/article.cfm?aid=84&lid=46&view=print