Unless you’re skilled otherwise, always present, think, and communicate in sets of three. It’s not always the best, but it’s always the optimal mix of works and doable. As he says, you can also go with just one idea explained three different ways.
If you’re lucky enough to have just one idea you need to communicate, sure. I find “just one idea” content needs to be very short, a five minute presentation at most or a short blog post. More than that, and you’re just adding a bunch of fat to fill time and space.