I think this topic has gotten a little muddled over time. If tagging posts is still a feature people would like to see then creating a new feature topic with a convincing use case may be the way to give this more attention. 
I think this topic has gotten a little muddled over time. If tagging posts is still a feature people would like to see then creating a new feature topic with a convincing use case may be the way to give this more attention.