I don't know that one is necessarily better than the other. If you do one blog about both it will make sense because they are so closely related, but if you do two blogs you can cross-reference them, so you won't be missing anything. Two blogs might give you more exposure for putting up your gateways, but one might be easier to maintain longterm. I think it depends more on your ability to write. Do you feel confident that you could do two separate blogs? Or do you think you would eventually end up with both subjects in both blogs?
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I don't know that one is necessarily better than the other. If you do one blog about both it will make sense because they are so closely related, but if you do two blogs you can cross-reference them, so you won't be missing anything. Two blogs might give you more exposure for putting up your gateways, but one might be easier to maintain longterm. I think it depends more on your ability to write. Do you feel confident that you could do two separate blogs? Or do you think you would eventually end up ...more