title: Examples of use for PickledObjectField (django-picklefield)?
body: <p>surfing on the web, reading about <a href="http://blog.apps.chicagotribune.com/2010/02/26/best-practices/" rel="nofollow noreferrer">django dev best practices</a> points to use <a href="http://github.com/shrubberysoft/django-picklefield/tree/master/src/" rel="nofollow noreferrer">pickled model fields</a> with extreme caution.</p>
  
  <p>But in a real life example, where would you use a <code>PickledObjectField</code>, to solve what specific problems?</p>