title: ProxyFactoryBean in Spring
body: <p>Can someone explain <a href="http://static.springsource.org/spring/docs/current/javadoc-api/org/springframework/aop/framework/ProxyFactoryBean.html" rel="nofollow noreferrer">ProxyFactoryBean</a> in simple terms?</p>
  
  <p>I see this being quoted lot of places.</p>