Mashable shared this artistic use of Google Docs that may be worth considering if you teach technology, mathematics, or visual arts:
The theme of this piece certainly fits with all the snow we've had in southwestern Ontario in recent days, but with these instructions and free access to the spreadsheet template, a comparable project could be undertaken, with just about any subject matter. And while I love the collaborative nature of the project above, similar work could also be carried out by an individual student, perhaps using non-digital tools like paint and paper.
An artist might start by borrowing a rich creative commons licensed image from the Multicolr Search Lab then using photo-editing software like the free and very powerful Picnik, to manipulate the image. The 'pixelate' tool can be used in concert with other effects tools to help students create transferable images with specific numbers of pixels.
For those looking for innovative large scale pixelation, it might be worth revisiting the Jason Eppink's Pixelator project.
What do you think? Is there a place for using digital image manipulation in your classroom?