Can you expand the title?<p>PoW: Proof of Work or Prisoner of War? <a href="https://en.wikipedia.org/wiki/POW_(disambiguation)" rel="nofollow">https://en.wikipedia.org/wiki/POW_(disambiguation)</a><p>FDA: Food and Drug Administration? <a href="https://en.wikipedia.org/wiki/Food_and_Drug_Administration" rel="nofollow">https://en.wikipedia.org/wiki/Food_and_Drug_Administration</a>