Cloudant was acquired by IBM in March 2014.
Cloudant was founded in Cambridge, Massachusetts in 2008 by three MIT physicists who at the time were moving multi-petabyte data sets around from the Large Hadron Collider. Frustrated by the available tools for managing and analyzing big data in their research, the founders built a distributed, fault-tolerant, globally scalable data layer on top of Apache CouchDB.
For more see the video at this link and embedded below.
The service has grown since then. The team now manages and serves mobile and web app data on behalf of thousands of developers and hundreds of customers to their users around the world.
More from their site:
Some of the top web & mobile app developers use Cloudant to scale their data
Cloudant is the winner when huge scalability matters. It's a great relief to offload datastore operations onto Cloudant so you are free to focus on new development.- Jason Pearlman, OMGPOP
Cloudant NoSQL Cloud DB - Grow into Your Data Layer, Not Out of It
Cloudant puts the 'service' in NoSQL database as a service. Unlike scale-it-yourself NoSQL databases, Cloudant is scaled and operated for you. You focus on code, we've got your back-end covered. Plus, it enables replication & sync, full-text search, advanced analytics via MapReduce, etc.
Develop Fast - GET, PUT, Index, and Query JSON objects via a CouchDB-compatible, RESTful API. Cloudant is schema-less, so you can develop new features without having to redesign your database or migrate data
Grow your database without worry - experts at Cloudant operate and scale it for you
Push your data to the edge - Cloudant distributes data across a global network of data centers, or to your data center or individual mobile devices, for fast, non-stop access to data from anywhere
Build epic features - Built-in text search, data replication & synch, and MapReduce for advanced analytics, enable you to easily create an exceptional user experience for your customers
For more on Cloudant see: https://cloudant.com