Technology changes the world every day. However, there are a load of amazing inventions that were suppressed by governments, organizations and industries because the improvements interfered with the existing constructs that were and continue to, vacuum money from the world.
On the next page are but 7 suppressed inventions that would have changed the world.
Take a Look:
I tend not to believe this had there been technology that the big corporations were not allowing I would think that in the cold war the soviets would have found them out developed them because they were not interested in profit but discrediting any capitalisms and the west.