Facebook recently announced that they will be offering the Mobile App Install Ad unit to all developers to enable increased opportunity to drive app installs and discovery. In their initial tests of the mobile app installs ads, AdParlor, an Adknowledge company and a Facebook® Strategic Preferred Marketing Developer (sPMD), saw consistent CTR's between 1 and 2% from engaged users. AdParlor is now offering mobile app installs via Facebook on a cost per install (CPI) pricing model.