My favourite one so far is the Apple iWipe (link)
Creating objects or (even those rare hit-and-miss culinary experiments) is an intrinsic human attribute.
We’ve all tinkered, dismantled and reassembled projects and even started some from scratch. Instructables contain a plethora of projects for the DIY enthusiast. The website is a step-by-step collaboration system that enables you to record and share your very own projects on the internet. You can upload an assortment of images, text, CAD files, ingredient lists, etc. to illustrate each step-by-step process.
Now you can no longer confine your ingenuity to close quarters; you can unveil them to the world via Instructables.
related links