    <a href="foreword.html">Foreword</a>
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  <li data-type="preface">
    <a href="pr01.html">Preface</a>
            <ol>
  <li data-type="sect1">
    <a href="pr01.html#programming_over_time">Programming Over Time</a>
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</ol>
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  <li data-type="sect1">
    <a href="pr01.html#googleapostrophes_perspective">Google’s Perspective</a>
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</ol>
      </li>
  <li data-type="sect1">
    <a href="pr01.html#what_this_book_isnapostrophet">What