It’s hard to imagine the internet without banner advertisements. But believe it or not, web pages were free from banners all the way up until 1994, when Hotwired (Wired magazine’s website) displayed the first banner advertisement for AT&T (which received an astounding 44% click-through rate!). Once that first advertisement was placed, others quickly followed suit.... The post What is an Ad Network? appeared first on The AdSanity Plugin.
