Coinbase is a secure online platform for buying, selling, transferring, and storing digital currency.
Their mission is to create an open financial system for the world and to be the leading global brand for helping people convert digital currency into and out of their local currency.
They make buying and selling digital currency easy.
They handle security and backups so you don't have to worry.
They are a "one stop shop" - they offer a wallet, an exchange, and merchant tools within one simple interface.
Coinbase is a platform on which many applications are being built using their API.