In following years the company continued to produce innovations for the amateur photographer.
In time, such investments might well produce innovations that will break oil's near-monopoly on the global transport market.
Collymore says the next challenge for Africa is to produce innovations that could be bolstered to solve digital challenges beyond the continent.
Already, partnerships between boat owners and government and university scientists are producing innovations in gear to reduce unwanted catches while increasing the harvest of desired fishes.
There may be no single recipe for producing innovations to order, but there is a cookbook of sorts that is becoming more useful all the time.
Still, don't some of the very rich get that way by producing innovations that are worth far more to the world than the income they receive?
Mr Baumol argues that there are entrepreneurs in every sort of system: what differs is whether or not they devote their energies to producing innovations that add to economic growth.
The working of the free enterprise system generates sufficient wealth to allow almost everyone to have at least an adequate standard of living and also produces innovations that continually improve that standard.
If so, how do such initiatives produce innovations in the energy supply?
In contrast to the engineer, evolution does not produce innovations from scratch.
