![](https://ideas.ted.com/wp-content/uploads/sites/3/2014/05/12_list.jpg?w=770)
Giving a good presentation is much harder than it looks. Speakers have to figure out what they want to say and what they want a viewer to grasp — and then decide how to bring the two together in a compelling manner. In his TED Talk, Jon Mooallem used whimsical illustrations to make a serious point. Check them out.