Very few people are actually good at this - some might think they are. Whenever The Q&A parts of a talk are normally useless. E.g. Question is asked. Answer is

Very few people are actually good at this - some might think they are. Whenever The Q&A parts of a talk are normally useless. E.g. Question is asked. Answer is: "That's a great question". Let me refer to something I already said or say something pretty generic. Ok, next question.