Tech maven Steve Caplin discusses the non-TFL ULEZ websites, the AI speed camera catching misbehaving motorists, sending AI assistants to meetings for you, AR contact lenses powered by tears, an up-market martini mixter, Tesla's secret autopilot mode, the Playstation Portal, a pen with 16 million colours, why Jeff Bezos had to buy a $75m support vessel to provide what his $500m mega yacht was lacking and why CAPTHA is not as good at distinguising computers from humans as you might expect.