Apologies if I wasn't clear enough - I'm talking about tagging articles that have already been submitted to HN, so that future readers (start-up founders or wan

Apologies if I wasn't clear enough - I'm talking about tagging articles that have already been submitted to HN, so that future readers (start-up founders or wannabes) will have an easier time finding the information that HN users have tagged as being helpful. I edited the OP to be more explicit about that.