Take Twitter, add its concepts as a platform to banking and you get BankSimple, the unlaunched startup that you will definitely want to keep your eye on. BankSimple is a new take on online banking created by Twitter's former API guy, Alex Payne. BankSimple is aiming to create a banking platform, much as Twitter became a messaging platform.
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.