Well, here is one for you microbiome fans out there. Went to the UC Davis Vet School store on the way to work and found a display selling Paper from Poo. Not human poo of course but from animals that have a lot of fiber in their diet, like pandas, cows, horses and elephants. Some of the slogans are great such as:
"We take the 'OO' out of Poo!"
"We're number one at number two"
Here are some pics of the display:
For more on this see the PooPooPaper website.