3 an icon which indicates a type of action you can select to share with others via the social networking site Facebook when, for example, you are reading or listening to something. It's also called a 'social gesture'.
The social media site, Mashable, calls these kinds of "social gestures," one of the tech trends to look out for in 2012: "With 800 million people already on Facebook, its growth is bound to be slow. But if sharing becomes automatic, the volume of content on Facebook will continue to grow at an accelerated pace."Submitted from United Kingdom on 20/01/2012 09:53:00