open3.at

1. 1. If it can’t be spidered or indexed, it doesn’t exist
2. 2. If it isn’t available in open and machine readable format, it can’t engage
3. 3. If a legal framework doesn’t allow it to be repurposed, it doesn’t empower

Source: David Eaves, http://eaves.ca/2009/09/30/three-law-of-open-government-data/