To be able to position a webcam from computer A in front of a monitor from computer B, and reverse it. So each camera is looking at each other's monitor.

Then I want to display crap on the screen which then gets interpreted as data (Imagine a 4x4 checkerboard, black=0, white=1, so each screen displays 16 bits at a time)

Now use this to bridge two networks.

Questions: How many cells can be fit on a monitor?
How fast can you change/read the data?
Ideally if your webcam is 320x200, you could get 64kbits per flash. If you can use 4 colors instead of two, you're upto ISDN speeds...

This is solving a problem that has already been solved.

Faxes around my office are usually printed computer documents that perhaps have a hand written signature. This fits beautifully into the sending slot. Why would anyone want to stand there holding the thing still while they press a button / click a mouse. No way.

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Now spammers can see if you're really fat or not. I can also show them my schlong, so they won't 1) tell me how to make it longer and 2) tell me how I can increase my breast size.

No more cracking the photocopier glass to get a butt shot ;)

This is not a device that can form an image from an object at a non-trivial distance from the display - this is a device that only images an object placed against it.

I would expect the primary intent of a device like this would be in a web-pad type device. Picture a clipboard, but thicker. Your customer hands you a printed item (work order, recept, whatever). You place the item face down against the display and push a button on the side. You remove the item from the display, and verify the scan took, then hand the item back to the customer.

This would no more allow your monitor to image what is going on in the room than putting your flat bed scanner up on edge and leaving the top open would.