I would like to see this kind of tagging being used to improve search results and simply hiding them. Could increase rank when there are more tag hits. Although

I would like to see this kind of tagging being used to improve search results and simply hiding them. Could increase rank when there are more tag hits. Although I guess that is essentially what good search is. Tags while cluttering the ui do help you find similar content. Still not as good as a good reccomendation system but a decent stop gap measure in some instances.