On yap island, in the pacific ocean, early inhabitants used large limestone disks, known as rai stones, as money. some of these disks weighed as much as a car! everyone agreed that the stones were valuable and the people utilized them in much the same way we use money today. the weight of the stones and the fact that a rai stone is difficult to split into smaller denominations would make rai stones unfit to act as money today because rai stones could not act as a