title: Hot Or Not / Facemash algorithm - Why Elo's Rating Algo?
body: <p>In <code>the social network</code> movie i saw Mark used <a href="http://en.wikipedia.org/wiki/Elo_rating_system#Mathematical_details">Elo rating system</a>  </p>
  
  <p>But was Elo rating system necessary ?<br>
  can anyone tell me what was the advantage using elo's rating system ?<br>
  Can the problem be solved in this way too ?<br>
  is there any problem in this algo [written below] ?  </p>
  
  <p><strong>Table Structure</strong></p>
  
  <ul>
  <li>Name  <em>Name of the woman</em></li>
  <li>Pic_Name [pk] <em>Path to the picture</em></li>
  <li>Impressions <em>Number, the images was shown</em></li>
  <li>Votes <em>Number, people selected as hot</em></li>
  </ul>
  
  <p>Now we show randomly 2 photos from the database and the hottest woman is selected by Maximum number of <code>Votes</code></p>
  
  <p><em>Before voting close/down please write your reason</em></p>