By Corbett Barr

On Tuesday we launched a brand new course: How to Start a Blog That Matters.

To coincide with the launch, we’ve compiled a huge list of the topics suggested by all of you for our Million Dollar Blog Project, but weren’t the one we chose.

There are websites about nearly everything imaginable, but that doesn’t mean that they are all good.

At Think Traffic, we believe that anyone that puts in the right amount of focused effort can build an audience online, even if it is about an extremely obscure topic.

Don’t know what topic to start a blog that matters about? Here are 81 ideas to get you thinking about what you could focus (or re-focus) your site on.

(Some of the most creative ideas people came up with are in bold.)

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