ndex is used in real systems.  For example, the U.S. Census has relied on a variation of the Soundex algorithm for almost a century. But just because it has been used in practice does not make it a perfect algorithm!  Now that you understand how Soundex works, we want you to consider some of its limitations.</p>

<div id="Q12" class="question alert alert-warning">
  <p><strong>Q12</strong>. Think about one or more examples of a class of names that the Soundex system might not work well for. Explain what thi