So I guess you can be sued for sending junk traffic now -

Yahoo! is demanding $4.8 million back from Tsavo Media, a sister company to CX Digital within the Cyberplex Inc. group of companies. Yahoo! claims the money is due as a result of "low quality traffic, ranging back over many months during 2011."

Code:

http://mthink.com/affiliate-performance-marketing/yahoo-demands-48-million-cx-digital-associated-company

Ouch. That is all i can really say. Although if that company made $4.8mil of Yahoo with just junk traffic they must of had a sick method.