Friday, November 6, 2009: Thirteen years ago the day after the state election when voters passed Proposition 215 and made medical marijuana legal in California. It has been momentous, a slow moving earthquake that is convulsing around the world.

A new front is opening in the war on drugs, with the internet emerging as an option to buy a plethora of hallucinogenics and synthetic drugs, according to the EU's drugs watchdog, the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA).