Covert communication
Friends’ production staff would collaborate to put easter eggs in the sequences. This one is a little more precise, and if you’re unfamiliar with American Sign Language, you could have missed it. Take note of Ross’s clothing here.
It has an ASL design that says “friends.” When you think about it, it’s meta, but it’s so specific that nobody will comprehend it unless they know ASL. Even then, they’d miss it if they weren’t paying attention!
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