That picture of the guy in the blue and black sandals is actually David Szondy.

That guy in the sandals in the photo above is actually David Szondy.

brilliant idea! you could take it a step further by running a taped hose up your leg tape it to your own outlet and down to the device could be overflow problems but worth a try

Given the vast amount of urine a average house or bar goes through in a year a larger version of these fuel cells could really help the grid.

Oh...
So, maybe this is just me... but just because you CAN do something, doesn't always mean you should. This is one of those situations.

So now you can use your baby to power your house, by plugging into its wet nappies/diapers. Why stop at babies? Adults could wear adult nappies/diapers just as easily, and power their phones, or whatever. Oooh! WoW!

Do the socks come with a puncture repair kit?

So what's new?
Many years ago, in physics at school, we made and compared the output of batteries using a silver coin, a copper coin and bits of paper soaked in various liquids including Coke, lemon juice and urine. Not very powerful, but gave a measurable voltage.

Oh, those savvy Brits. They think of everything.
This reminds me of the effect George Washington had on the audience during his innauguration, where everyone peed in their seats. He simply said:
"You're a Nation now!"

This is an especially crappy idea. But as an application example I can well imagine republica'nt extremists endorsing using this to power sensors for patients on medicare.