You can't multitask! Carl and Richard talk about the myth and scourge of multitasking, which has been proven again and again to not actually work. Ben talks about how the human brain is not that different from a microcomputer CPU - the context shifts involved in multitasking are expensive, and if you do too much of it, you spend all your time switching contexts, rather than actually getting work done. The conversation digs into all sorts of good discussion around productivity, but first and foremost, it is about getting things done - focus on one task until you're finished, then move on!