I think tags are a great idea, especially if one could block stories with certain tags (i.e. "I don't want to see anything tagged with Bitcoin or TechCrunch").

I think tags are a great idea, especially if one could block stories with certain tags (i.e. "I don't want to see anything tagged with Bitcoin or TechCrunch"). On the flip side, if someone really wants to read about Bitcoin, then can look at all stories with that tag.