I’ll tell you why. Because you don’t own Facebook. Facebook owns Facebook, and anyone with a Business Page got a nice little reminder of that last week, when they switched everybody’s page to the new format (significant change from how it had been) without warning, then changed it back before crashing for a little while. When you’re just building your community, it can be a frustrating setback; when your Facebook community is over 300k strong, it can be a much larger problem. No matter which situation you’re in, the reminder is clear; when you operate a fan page on Facebook you’re subject to their whims – if they decide to make changes, those changes are going to be made whether they help you or hurt you – the decision is out of your hands.
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Don't Trade Comfort for Security | Social Media Marketing Institute