Have a look at the 20 photos on the Herald page.
Linoit which enabled him to use different colour Post-its. I tried it out, it is not as easy as it looks.
iCardSort (Free or NZ $8.29 ) is an iPad app that was easy to use and didn't seem to have a limit on sticky notes.
There are other apps available for the iPad
So how could this be used in Education?
- create icons or emblems
- create flags
- take a popular graphic and problem solve how to make it with square shapes (i.e.stickies)
- investigate how pictures are made up of pixels and plot/plan a picture on a spreadsheet and then make it with the sticky notes
- have a post-it-war with other classes using the windows of the classes to show case your efforts
- if you are using technology then post images to a wiki or a blog