This document discusses the rise of a new "Society 3.0" driven by digital technologies and connected people. Key points discussed include: - Society is changing from industrial to a new digital form as people choose their own paths - Cities and connected people will become more important than countries and organizations - The rise of self-employed "Knowmads" and crowd companies is a trend in this new society - A "Serendipity Machine" is proposed as a real-time place-based network to enhance connections between knowmads within a city's virtual community