Likes on facebook are a seriously heinous currency. "Please like us on facebook to unlock this functionality of software that you thought you already had full

Likes on facebook are a seriously heinous currency. "Please like us on facebook to unlock this functionality of software that you thought you already had full access to." "To enter this contest, like us on facebook." Now, the number of like's your product has is completely uncorrelated to the number of people who actually "Like" your product. You are effectively saying "look at all of these people we convinced to arbitrarily click a button"