Taky by bylo dobré dodat http://www.linuxtoday.com/developer/2011122000641OSLL#comments
"Contrary to the headline although admitted in this
article, use of the GPL is not declining but increasing.
But use of so-called permissive licenses (which
enable developers to restrict the rights of users in
arbitrary ways) is also increasing and increasing
faster, or, somewhat simpler put, the likes of Oracle
are increasingly dumping their abandonware (like
OpenOffice) onto the Apache foundation."