Sharing information Instantly between multiple Local SWFs without a server

Hey there everyone, so here is my problem:
I would like to Have a string (JSON object) that is shared across X number of SWFs that are running locally on the users machine. In addition to that, I would like to 'instantly' (with in a few MS) know when said JSON object has been updated. This needs to be done _without_ a remote server, and in AS3 (duh )
What I've tried:
Shared Object - Great for storing information across multiple SWFs and have had no problems reading / writing however since it is not remote there is no event (that i know of) to listen to on SWF_A to tell me when SWF_B has changed the SO
Local Connection - this would work with the Shared Object, in place of event listeners to tell everyone else when to update. However, you cannot 'connect' to the same name more than once. Becase of this, each application would need to know the name of every other SWF that the user is currently running, and notify individually
And yes, I thought of Timers, and no, they are not the ideal /acceptable solution.
Looked for 3rd party libraries, haven't found any.
Any insight would be super useful. Thank you.
-Andrew

Yea, I thought about that also, kind of creating a stack, however there are 2 main issues with that. A timer is still implemented for the 'controlling SO' swf to check for updates, and when / where does the main SWF get created. Let's say the user has a SWF off my home page www.myexampleurl.com, one a subsequent page: www.myexampleurl.com/checkScores.php, and one in a MySpace widget (LOL myspace) www.myspace.com/myspaceIsLame then the main homepage would create this SWF, however if the user doesn't have the homepage open, where would the SWF go? This would require working out each application to determine if it has premissions to open up it's own instance of this swf to handle things.
To do it right, seems like it would take a long time, and to do it fast, seems like it would get super sloppy super fast. I do appreciate your help though!
Any other thoughts?
-Andrew

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