This document discusses building a new 3D virtual world called Frenzoo and lessons learned. It notes the size of the virtual goods market and discusses why a new world is needed that is mainstream, in-browser, and can distribute/embed content. Frenzoo allows for avatars/profiles, chat, user-generated content creation/sharing, and a marketplace/monetization. Technical challenges included developing the 3D engine components and understanding users through community building and continuous learning.