I wish the studies had produced some more practical information.
Maybe like some kind of universal sign that someone is open to such a barter transaction- perhaps an Olympic style stick figure symbol of folks gettin' busy with a Happy Face and dollar sign? And more importantly, a similarly clear signal that such a suggestion is NOT welcome, and will get you sued.
The potential for harnessing this great natural resource is incredible. It may be the big economic boost we've been waiting for. Let's call it The Stimulus Package. Or the Package Stimulus?