On Click, Spencer Kelly meets the king of performance capture, Andy Serkis. Dave Lee has been investigating how a US charity is using chatbots to help sex workers and the victims of human trafficking find support. Dan Simmons catches up with a former BBC weather man trying to improve the outlook for farmers in Africa, while Marc Cieslak has been getting hands on with Microsoft's new XBox One X, and Lara Lewington has been looking into the future of emojis.