Sitecore Licence file and how to avoid unpleasant screens.

I recently surfed on the website in the area of the Sitecore partners.
Then stepped over a official Sitecore Partner named deenacx.  I went on their website and found this:



Their licence expired. To find the expiration date go the Sitecore data folder. Open the licence.xml and search for "expiration".
   1: <expiration>20140610T120000</expiration>