For diseases of the bone, see bone disease and osteology. Osteopathy is a type of alternative medicine, also called pseudomedicine, that emphasizes massage and other physical manipulation of muscle tissue and bones. People practicing osteopathy are referred to as osteopathic practitioners.
I categorize each of the slides into âflashâ, âfastâ, or âdescriptiveâ. Flash slides take about 30 seconds to deliver, fast slides take about a minute, and descriptive slides about 3 minutes. Then, using these rough estimates, I can calculate how long it should take to make the presentation.
Guy Kawasaki framed his 10-20-30 Rule for PowerPoint as: 1  10 slides are the optimal number to use for a presentation. 2  20 minutes is the longest amount of time you should speak. 3  30 point font is the smallest font size you should use on your slides.