I’ve been thinking a lot about how the paradigm what we commonly think of as “blog comments” can be improved upon, either specifically for tumblelogs or for online content in general. Granted, perhaps 90% of this question comes down to user preference: After all, many people enable comments on their Tumblr accounts in the very same way that users have since the first blogs appeared on the net — and they like it. But I just can’t bring myself to do that again
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Sounds like you need a service like Disqus but solely for Tumblr use. You would use your Tumblr account to make comments and define settings. It would have to be extremely flexible, but that’s not too hard to pull off. You could have the comments emailed directly to you with whatever subject you’d like, so people with muliple tumblelogs could filter the incoming comments to folders.
Using a pre-existing platform is just painful. I don’t want to spam up my Twitter feed with blog comments. I don’t reblog most posts when I want to make a comment for the exact same reason. A dedicated service sounds like the optimal solution to me.
Now I’d work on this, but I don’t have much motivation.