Facebook is starting to approve additional "actions," verbs that let users go beyond Like. Developers can use Facebook timeline actions via the Facebook Graph API, but only if approved by the social network. Social shopping platform AddShoppers received approval for "want" and "own" and even has some Like-like buttons for those actions.
Pokémon Go has become a runaway hit and many developers are showing their enthusiasm for the game by reverse engineering the private, internal Pokémon Go API and creating unofficial third-party apps. The current situation of the Pokémon Go API exemplifies mobile API security concerns.