Lots of different things that you can do. Messages that pop up in a
little box with an OK button require VBA:
Sub SayHello()
MsgBox "Hello"
End Sub
Short messages that appear on mouse over, can be done with Screen Tips.
See Quick Trick #16 at:
http://www.soniacoleman.com/Tutorials/PowerPoint/quicktricks.htm
Other kinds of text boxes or objects can be brought in on mouse click
with trigger animation.
Lots of things are possible. Let us know more specifically what you want.
--David
--
David M. Marcovitz
Microsoft PowerPoint MVP
Director of Graduate Programs in Educational Technology
Loyola College in Maryland
Author of _Powerful PowerPoint for Educators_
http://www.PowerfulPowerPoint.com/
