Most new stuff is invented and thought up by state-owned institutions. The lie of capitalism is the suggestion that big corporations are soooo innovative and great. Big corporations take ideas that have been previously researched at universities etc. (which are usually financed by the state) and market them by exploiting everyone along the manufacturing line.
Of course, they have their in-house development too. But more often than not, those development teams only improve existing technology.
Also, he did mention that bigger companies will be socialized. A society can discuss and decide what they want to focus on, if all resources belong to them. They cannot do so, if everything is in private hands.