Talk given at http://www.webstock.co.nz, Wellington, New Zealand, 20/2/09 Talk description: "Since the 60s we've imagined the combination of computers and our environment would create both utopias and dystopias. Since the 80's we've seen academics, artists and corporate R&D labs prototype these futures from the top-down. Now, hackers are building sensors, bots and software into everything around t