While it may not be quite as groovy as “sharks with freaking laser beams attached to their heads,” Microsoft PowerPoint 2010 allows you to use your Mouse as a make-shift laser pointer for making presentations just a touch more evil groovy!
How To Convert your mouse into a Laser With Microsoft PowerPoint 2010
Start your PowerPoint presentation slide show.*
*You can do this from the Slide Show > From Beginning ribbon, or just Press F5 on your keyboard.
Hold Ctrl and the Left-Click mouse button to make the laser pointer appear while viewing a presentation.
Customize the color of your laser pointer by choosing between Red, Blue, or Green. To do this Click the Set Up Slide Show button under the Slide Show ribbon. In the set up pop-up, you can select the color under Laser pointer color.