In what is seen every day in every city and every town in the world, an anonymous cyclist has recorded some bad habits by cyclists in the City of York in the UK. This is "Episode One", so expect a lot more. Head cams on bicycles are becoming more common, and they are also popular on motorcycle helmets. I'm sure they will feature in court cases and in name-and-shame videos like this.
Of course it is not only cyclists who behave badly on the road - many other road users like pedestrians, motorists, truck drivers, and (yes) motorcyclists do so as well. One thing that headcams (and dashcams) might do is become the single biggest contribution to road safety ever as we all try to avoid ending up on YouTube!