"...The Swiss constitution defines in some detail all areas subject to federal legislation. Anything not explicitly mentioned is left to the legislation of the cantons (federal states). Therefore it is necessary to update the constitution from time to time to take account of changes in society and technology that demand for standardised solutions throughout the country. The Swiss constitution may be changed only if an overall majority of the electorate agrees in a referendum and if the electorate of a majority of the cantons agrees, too. The latter is sometimes just a little more difficult because it means that the rather conservative electorate of smaller rural cantons must be convinced as well. Nevertheless, minor changes to the Swiss constitution are quite frequent without affecting the basic ideas nor the stability of Switzerland?s Political System. To the contrary: Direct Democracy is the key to Switzerland?s famous political stability..."