Protests have a way of pissing people off, and Extinction Rebellion has definitely made some enemies this week. On the other hand, it's also pretty good at making friends. In just a year, the movement has spread from the UK to hundreds of places around the world, including Australian cities, and it's still growing. Every protest movement dreams of penetrating the mainstream, and Extinction Rebellion is giving it a go. So how's it trying to do that? And what's standing in its way?