The 10/20/30 Rule of PowerPoint

From Guy Kawasaki:

I suffer from something called Ménière’s disease-don’t worry, you cannot get it from reading my blog. The symptoms of Ménière’s include hearing loss, tinnitus (a constant ringing sound), and vertigo. There are many medical theories about its cause: too much salt, caffeine, or alcohol in one’s diet, too much stress, and allergies. Thus, […]