Nowadays, everyone has a theory about the impact of AI on jobs, but as of yet, there is scant evidence as to what is really going on. That said, if you did have to pick a 'canary in a coal mine' to understand how AI is changing the nature of work, your best bet would be to study shifts in the global freelance workforce - or, at the very least, speak to Matt Barrie, CEO of Freelancer.com, one of the world's leading online job marketplaces.