This is an excellent article. It helped put numbers and precise definitions behind several things I had sorta intuited before and also corrected me on a couple of others. :)

As part of internalizing the bit about P(H|E) vs P(E|H) [Warning sign I4], I wrote up a quick gdocs spreadsheet to let me play with the numbers: https://docs.google.com/spreadsheets/d/10JrG42iKY-LhcnaKU7O7...