One great thing about social media networks is they’re cost-free. Sure, they can be time consuming. You might even need to hire a manager. But you won’t have to write checks to Facebook, MySpace or Twitter to be there.

Also, social networks are showing some marketers big returns. We ran a great article this week on how Threadless, an online community-based tee-shirt retailer, used Twitter to give more life to a promotion. Check out how they micro-blogged their way to a record sales day.

We spoke with Cam Balzer, VP, Marketing, Threadless.com, for the piece. Balzer mentioned that, apart from their main feed, they also experiment with different Twitter feeds. Hey, why not? Feeds are free to create. Here are two alternatives they’ve tried:

Source:Testing Multiple Twitter Feeds

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