Over at Debra's Linkspiel blog, guest writer Bill Slawski is talking about offline advertising for online services. This was my favorite bit:

Walking through a parking lot, I feel an urge to click on cars, noticing that some Maryland and Pennsylvania license plates include URLs instead of state mottos. Kind of hard to mouse over vehicles while they are barreling down the highway, but it must help spread the word that these states have websites.

As online push marketing becomes more and more expensive, guerrilla campaigns and online marketing integration have gone from obscure to everyday. Sounds like what we were all preaching back in the late '90's, no?