When's the last time you used a chamber pot? If you’ve spent most of your time in the industrialized world, we're guessing the answer is “never.” But for thousands of years, squatting over one was the only toilet game in town, and our ancestors couldn’t think of another sanitation solution. Similarly, most of us probably assume that our modern S-shaped-pipe porcelain thrones are what the toilets of the future will look like too.
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