I was at the Web2.0 Conference held by the Computer Society of India Bangalore Chapter (CSIBC) at Royal Orchid in Bangalore. There was Philip from Yahoo Bangalore talking on JSON.
I was really excited with JSON and started some primary explorations with it. It turned up an AS3 Core Lib, which includes a JSON parser for AS3 (i.e FLEX). I will put up a Yahoo Photo Search soon with JSON and using the AS3-JSON Parser