. . . . . "ad-supported" . . "Adware" . . . "advertisement-supported model" . . "Adware" . . . . . "pops up advertisement window contents" . "advertising" . "ad-sponsored" . "ad supported" . "advertising-supported software" . . . . "Advertising-based" . . "ad ware" . "advertising-supported" . . . . . . . . . "Ad-free" . "antiadware" . . "adware" . . . "intrusive advertising" . . . "Advertisement supported" . "additional" . . "Ad-supported" . . . . .