This document summarizes key technologies and trends in collaborative economy, including sharing economy platforms, internet of things, 3D printing, crowdfunding, and crowdsourcing. It discusses how these areas are enabling new forms of value creation through peer-to-peer sharing of assets and services, as well as crowdfunded and crowdsourced innovation. However, it also notes challenges around regulating new business models and ensuring trust in the context of rapidly changing technologies outstripping the pace of legal and ethical standards.