Ruth: Hair can really make a difference to things.
Socrates: True opinions (doxa) are a fine thing and do all sorts of good so long as they stay in their place; but they will not stay long...once they are tied down, they become knowledge, and are stable. That is why knowledge is something more valuable than opinion.
Guy: Emma's hair photo on Flickr got 21 views in 3 minutes and that doubled in the following hour. Was that the hair, visitors' opinions, or the way I tagged it? What say you Socrates?