In a nutshell:

• Someone starts a youmiverse by writing something.  A word, a sentence, a verse or even a whole story.
• Others are then able to offer substitutes for any of the sentences.
• Here’s the catch.  Nobody can simply replace somebody else’s sentence/s.  Once you offer a sentence, everyone is able to vote for the one they prefer most.
• In the end the literature left standing will be that which has been decided on by all of those who participated.  This is what makes youmiverse special.  The final product is a unique piece of literature that has been created by a creative team of strangers who shared the experience and now share the art.