Apple’s SMS (Sudden Motion Sensor) has been used to create some pretty useful as well as useless programs. I wrote an article a few weeks ago about iAlertU and it’s uses. Smackbook is a program that makes use of the SMS to switch between workspaces in Leopard. To change workspaces, just tap the left or right side of your laptop. Here’s a quick look at what it does:

Now I know there are a lot of people out there who would not want to hit their laptop (me being one of them). There is another option for us, but unfortunately only for those of us who have MacBook Pros with the built in light sensor:

I have found a great tutorial that not only explains how to install Smackbook, but also shows you (yes it’s another video). Here’s the link: http://reviews.cnet.com/Turn_your_MacBook_into_a_SmackBook

Go here to download the light sensing version.

Go here to download the regular Smackbook.

What do you use to switch between the workspaces on your Mac? Let us know in the comments.