 The suit also named Vision Direct, one of WhenU advertising customers, as a co-defendant.1-800 CONTACTS alleged that the advertisements provided by WhenU, which advertised competitors of 1-800 CONTACTS (such as Vision Direct) when people viewed the company's web site, were "inherently deceptive" and that one of the advertisements "misleads users into falsely believing the pop-up advertisements supplied by WhenU.com are in actuality advertisements authorized by and originating with the underlying Web site".Both the plaintiff, 1-800 Contacts, and the co-defendant, Vision Direct, sell and market replacement contacts lenses though their respective websites.