25 Ways to Make Friends, Fans, and Followers - ClickZ

ClickZ has this brief list of suggestions for building a following for your company on social networks.

Here's a favorite (fits in with the "Get slightly famous" strategy):

Let go of your secrets. Sharing your knowledge with other people breaks down barriers of engagement. Don't sell a success package for $19.99; instead start a blog. (For example...this article!)

While we all love lists, how do we know this one's any good? Other than appeals to authority (ClickZ is fairly well-known) I guess we don't. We're all figuring this out as we go along, aren't we?