Don't blink. Otherwise, you might miss the rapid rate at which the legal cannabis industry is transforming before our eyes.Back in 1995, there wasn't a state in the U.S. or a country in North America where medical marijuana or recreational marijuana were legal. Fast-forward to today, and things are markedly different.Mexico legalized medical cannabis a year ago this June, while Canada is on the verge of becoming the first developed country in the world to legalize adult-use weed.