<i>"Who among us hasn’t walked up to a drinking fountain, expecting a bubbling stream of life-giving water, only to experience the crushing disappointment of a measly trickle after smashing in that button?"</i><p>That'd be me. I traveled quite a bit all over the world and these seem to be a pretty American thing.<p>It's also a bit strange because for the countries that have them it is generally not recommended to drink tap water and for the few countries where tap water is considered safe to drink they are virtually non-existent.