Doing the 365 thing at Flickr?
Well, this might not be the only thing you use to make some of that happen, but according to this article at ReadWrite, Daily Mugshot might help. The article talks about a site that has a set of free tools that will help you take a daily picture of yourself, to track the continual change in your outward appearance.
I may do this, just to track the changes in my face this year as I try to loose that post-chemotherapy weight that I’ve gained.
The “inside” changes are all on you.