I take it as the expression of a permanent quest for logic just hung up in the air "so" someone, including myself possibly picks it up. The meaning seems to be

I take it as the expression of a permanent quest for logic just hung up in the air "so" someone, including myself possibly picks it up. The meaning seems to be more "so that" than "that said, how's your day been". Or "if this is correct, then this means that..." rather than " OK, got it, what else?"