the .16 decrease is asumption of growing difficulty by about 15% every 12 days, it worked this way last month or two, so could be good estimate.
Indeed, since my last post i did a little math and arrived at the same conclusion. I was quite surprised that difficulty is climbing so fast - i never looked at it in real terms...
But it makes me very happy - god bless the miners. The stronger they get in number and hash power, the safer the currency. If we ever end up with viable physical currency backed by BTC, it should say "In Miners we Trust" on the coins and bills.
