Compared with modern touch-screen voting systems, it may seem low tech. But according to its creators, the scratch-and-vote (S&V) system is a good way to let voters check that their ballot papers have been counted as they intended.
Read more:http://www.technologyreview.com/read_article.aspx?id=17275&ch=infotech&a=f
Read more:http://www.technologyreview.com/read_article.aspx?id=17275&ch=infotech&a=f