Twitter is proof of a collective consciousness . How else would we be able to read someone else's words and relate so hard? The best tweets tap into something fundamentally true about being human. Like the best stand-up comedy, the best tweets take something mundane and normal that we usually take for granted and point it out in concise language, helping us realize we're all living a shared experience. What's the deal with airline food, etc, etc. But conversely, another great brand of tweets is…