Anything you can see or read easily should be about the right size. A hidden benefit is the exercise this provides for the desk-bound.
That's all fine, but what about when you actually get the slides back from the developer? Ideally, of course, you'd like to try the slides in a large lecture hall. We do live in an imperfect world, so you can also try this . . .
RETURN to the 4 concepts page.