Twitter co-founder Biz Stone on Tuesday took the wraps off a smartphone application that invites people to tap into their online social networks for answers about things they see. Jelly, available free for Apple gadgets or mobile devices powered by Google-backed Android software, let people reach out virtually to friends, or friends of friends, when interested in finding out more about where one is or what is happening around them at a given moment. "You want to know what it is so you launch Jelly, take a picture, circle it with your finger, and type 'What's this?' " Jelly meshes with people's existing social networks, such as Facebook and Twitter.



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