Years ago, some individual and possibly others at about the same time, though hard about the problem of mathematics and earlier moving a load with minimum effort, and the wheel was developed from grease and logs, themselves great steps of inovation., Now today wheels come in all sorts of sizes and applications and developments, including flat ones containing information. Had there been an organisation seeking to keep the knowledge that could be developed from such advances of thinking about problem solving, in order to maximise their own members profits, we would all live in a world where only the greatest of leaders able to tax their subjects for the necessary consideration to fund themselves vehicles at best similar to those as shown on the flintstones cartoons (with recognition to the copywrites of inovative designs of their copy write). every one else would have to make do with a greasy pole.
The ability to gain knowledge and its teaching should be absolutely free and with out restriction, unless national security is involved. Just remember The UK Government gave to AMERICA the designs of the swing wing aircraft, and all our TSR2 Swing wing bomber secrets designed originally by Barnes Wallis of the Bouncing Bomb Fame, Free, Gratis for nothing, Now if The UK Wanted to Build a swing wing plane we would have to pay royalties for our own designs. The media contents of programs will self destruct in time and serve no purpose for the future development of mankind whereas the method of communication of the content may at a future day be developed to be the saviour of the world, and its peoples.