One way is to go into slide master, then drag and move the placeholders out
of the slide.
Wouldn't recommend you to do so since placeholders are extremely useful,
especially when you need to do editings such as changing the font size and
color of the text on all the slides.
--
Shawn Toh (tohlz)
Microsoft Most Valuable Professional (MVP PowerPoint)
Site Updated: June 08, 2006
Added PowerPoint Movies. http://pptheaven.mvps.org
PowerPoint Heaven - The Power to Animate