http://justacarguy.blogspot.com/2010/03/heres-good-idea-why-not-yield-and-take.html
I posted in March and just last month http://www.wired.com/autopia/2010/06/gary-lauder-stop-yield-sign-mashup/ which was found by http://www.norcalminis.com/2010/06/proposed-alternative-to-stop-sign.html
Good ideas get around! Spread the good ideas... but have a bit of respect and give credit to where you find them.