It has been almost 9 months since I started my sabbatical work with the Microsoft Azure Cosmos DB team. I knew what I signed up for then, and I knew it was overwhelming. It is hard not to get overwhelmed. Cosmos DB provides a global highly-available low-latency all-in-one database/storage/querying/analytics service to heavyweight demanding businesses.
Link: Azure Cosmos DB: Microsoft’s Cloud-Born Globally Distributed Database