title: How does uʍop-ǝpᴉsdn text work?
body: <p><a href="http://www.cheesygames.com/upside-down-text" rel="noreferrer">Here's a website I found that will produce upside down versions of any English text.</a></p>
  
  <p>how does it work? does unicode have upside down chars? Or what?</p>
  
  <p>How can I write my own text flipping function?</p>