Great article! So true.
1. I am INTJ. I don't remember what the letters stand for, but they are a magical key to my soul.
2. In New York it is considered rude to speak to strangers on the train. In crowded spaces, silence is the only form of privacy.
3. Meetup is the best suggestion. I've met so many great people through Meetup events. It's such a low-key way of finding common interest to build on.