Useful PowerPoint Shit, Part 2 - Cloning objects quickly

I don't like using the mouse, but if I have to I will. Here's some tips for quickly cloning items in PowerPoint:

1. Duplicating a shape - Ctrl+C, Ctrl+V OR Ctrl+D (while not in text edit mode) OR Ctrl+Mouse drag
2. Duplicating a slide - Ctrl+Shift+D

Here's the keyboard reference for Microsoft PowerPoint.