Memetic infrastructure refers to ideas and systems that can self-replicate and spread, like religions and commercial franchises have done. New forms of memetic infrastructure are emerging online that allow communities and cultural concepts to spread at internet speed through tools, excitement, and case studies. These include events like BarCamps and DevHouses as well as organizations like hackerspaces. Effective communities share a vision and values, make members feel like they belong, and encourage involvement and assistance of sister organizations. The evolution of communities often involves building online interest, having initial meetings, meeting regularly, acquiring a venue, and becoming a movement. Hackerspaces have grown exponentially from a few in the 1990s to over 150 worldwide in under 15 years, showing