Paper ballot is far from perfect. I think we are better this way. People will not hack a voting machine to win, just buy votes. It's easier. Brazil is a very big country and counting votes was always problematic. Now we have a official result in the same day. Elections for legislative branch was a problem too. People wrote the name or a nickname of a candidate, or just swear. A monkey (or another animal from a zoo, can't remember) was elected years ago as a prostest. Buying votes is harder too. They just took people who cant read and gave a paper already marked.

More important than that: DO NOT post this file(s) as a .doc, .jpg, .pdf, etc. AS IS. Those formats have metadata that can be used to trace to our source.

In economics and finance, arbitrage is the practice of taking advantage of a price differential between two or more markets: striking a combination of matching deals that capitalize upon the imbalance, the profit being the difference between the market prices. http://en.wikipedia.org/wiki/Arbitrage