(Image credit: Apartment Therapy )
With some packing tape, a bit of soapy water and a lot of patience, you can protect the screen of any of your gadgets.

The process is pretty simple, cut a square of tape that's slightly larger than your screen, soak in soapy water and apply. You'll need to use a credit card or another flat object to squeegee out the excess water, and then carefully trim for a close fit.

Check out the full tutorial over on Instructables, where the author claims their first protector lasted over a year.