Developers are definitely worth their weight in gold. The Royal Canadian Mint has introduced a digital currency called MintChip and has thrown open a Developer Challenge. The challenge wants developers to create digital payment solutions using the MintChip API and the best applications stand to win gold. Yes, you read that right, actual physical gold.
New advances are constantly made to the fundamental architecture of networkable APIs drawing into question the longevity of the prevailing approach. Like how RPC-style APIs gave way to REST-styled APIs. Now there's GraphQL from Facebook and its recent adoption by Github raises interesting questions.