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Actually, Payvment released "want" and "own" buttons back on 1/19/2012. http://www.payvment.com/blog/?p=1355 http://www.payvment.com/blog/?p=1355

• west 15y ago
  Within Facebook stores. This is for websites outside of Facebook.
  • ryanmerket 15y ago
    Eh, you said you were the first, period. A Facebook app tab is just an iframe so its not like they are doing anything special. So technically they were the first to use the "want" and "own" buttons.
    • west 15y ago
      "These are the first buttons of their kind for use on public websites, not shops on Facebook." I appreciate everyone's help in clarifying.