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    This isn't really saying anything that other answers here already have - such as Bart's post from a few days ago. Commented Apr 22, 2014 at 13:38
  • There isn't much to say that Bart hasn't already mentioned though. I was just giving a simplified explanation. Commented Apr 22, 2014 at 13:39
  • It also doesn't really address the metaphor differences, as you can take something out of the trash as easily as the recycle bin. Commented Apr 22, 2014 at 17:53