A new voting system may be coming to a town or county near you this election season. Instead of the traditional method of voting for one candidate in a contest, in a manner which seems natural and inseparable from our current conception of the word, some towns’ ballets will be ranking candidates instead.

Voters will have the chance to rank their favorite contenders in a manner which will reduce potentially costly run-offs for local governments.

For all the details, reasons, causes, and implications, check out the article by Freakonomics here.