It's likely we were using the same browser. I'm not sure about Flash Player versions. Even if we weren't, why should that matter? I doubt we were too far off in

It's likely we were using the same browser. I'm not sure about Flash Player versions. Even if we weren't, why should that matter? I doubt we were too far off in the version numbers we used. Does YouTube do some sort of caching of info about what version of Flash you're using?