Humboldt County California is engaged in an intriguing experiment to test the accuracy and validity of proprietary electronic voting systems by essentially parallel processing the ballots with an open source software system and comparing the results. According to the preliminary report, at least one serious error has already been demonstrated in the Premier Election Solutions (formerly Diebold Election Systems) software. This approach could prove to be a viable alternative to those who claim all voting software should be open source for total transparency. See the article here.