Has this happened to you?  Just when you carve out a tiny little online niche for yourself (in my case, extra emphasis on tiny), you realize your avatar is not exactly the mug squinting back at you in the mirror these days.  To change or not to change?  That is the question.  Will my online pals accept the new me?  Does anyone care?  If you drop your old avatar on the internet, does anyone hear it fall?  Is this whole musing a pathetic excuse not to go downstairs to exercise?  Ah, now I may be onto something…