Any business can create a blog, and as you know, many, many of them do. But when the time comes to plan your own, you may be wondering whether you really need one at all. After all, you probably have a website, and you should be making your mark in social media. So how do you decide if you say “Hello World!” with a blog or just stick to your already traveled Internet terrain? Here are some questions to ask yourself when making this important decision.