Facebook appears to be testing a new “Want” button plugin similar to its popular Like button.
Developer Tom Waddington from Cut Out + Keep discovered that a Want button has been added to the Facebook Javascript SDK as an XFBML tag – <fb:wants>. The button is not publicly listed among the other social plugins on Facebook’s developer site. Waddington says the button will only work on Open Graph objects marked as “products.”
With Open Graph, developers have been able to create their own “want” actions, but users have to authorize a third-party app in order for those buttons to generate stories on Timeline and News Feed. If the Want button plugin works similarly to the Like button, users will not have to go through the step of authorizing an app. This means even more users will be likely to click it.
MORE: Facebook testing ‘Want’ button plugin.