Canada has become the largest legal marijuana marketplace in the world after becoming the second country to legalise the drug, following Uruguay in 2013. Ian Power, one of the first buyers of the legal drug, said: 'I don't think I've ever been as excited for anything else in my life as I am tonight'Subscribe to Guardian News on YouTube http://bit.ly/guardianwiressubSupport the Guardian https://theguardian.com/supportusThe Guardian https://www.theguardian.comThe Guardian YouTube network:The Guardian www.youtube.com/theguardianOwen Jones talks http://bit.ly/subsowenjonesGuardian Football http://is.gd/guardianfootballGuardian Sport http://bit.ly/GDNsportGuardian Culture http://is.gd/guardiancultureGuardian Science and Tech http://is.gd/guardiantech