As we move closer and closer into an innevitable clash of titans (GYM) "Google Yahoo MSN" evidence of profit model emulation is starting to appear. An SEO Chat member pointed out the existance of Froogle Ads at the bottom of "Every" serp.
"Shopping? Try Froogle - Google's product search service. Shameless Self-Promotion" Is what it reads. I jokingly commented about Google actually having a sense of humor, but in all sincerity I think its a sign of things to come.