How many company pages do you have--and why?

The Facebook brand page did something you might now be cursing: It sparked an avalanche of brand pages on other social sites. Today, your company can have a page on Facebook, LinkedIn, Google+, and more. (Although we learned this week that most of the brands with Google+ pages don't have many followers yet.) Which gives rise in turn to the question: Must you have a brand or company page on every service that offers one?

The answer, of course, lies in where your audiences are--and where your social media base is. For example, my company's social media base is its blogs, and my social pages serve to amplify that content base where my audiences are. But it's not always easy to decide where your audience will find you, especially with popular new networks cropping up.

How many pages does your company have? Where are they and why are they in those places? Share your thoughts in the comments.

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