Just a brainstorm here, but would some kind of Disqus like ui that aggregates comments from HN, reddit and blog comment feed would be an interesting product? (

Just a brainstorm here, but would some kind of Disqus like ui that aggregates comments from HN, reddit and blog comment feed would be an interesting product? (Google search shows two such apps - one has shutdown and one is now a casino site... Maybe it's just not profitable.)