• by Wendy Davis  @wendyndavis, September 21, 2010

Google said Tuesday it has sued several pay-per-click marketers who allegedly violated the company's rules in order to illegally sell drugs online.

"Like many online services, we have struggled with this problem for yearsm" the company wrote on its blog. "It's been an ongoing, escalating cat-and-mouse game—as we and others build new safeguards and guidelines, rogue online pharmacies always try new tactics to get around those protections and illegally sell drugs on the web."