Insanely fast and easy to setup with TLS certificates.

Mostly using it for cache and using it as a distributed queue job broker.

We, our team can sleep comfortable at night know "x is undefined" will not occur in production. It's also really helpful as IDE help in code completion when they know types.

Large swaths of resources built for python to achieve natural language processing. (We are in the process of deprecating the services written in python and porting them over to Javascript and node)

TBH, it's private. It's free. It's beautiful!

The Geospatial features are the easiest to get up and running and easiest to scale beyond single servers. On top of that NoSQL allows us to iterate features at the speed of light.

Least opinionated and easiest to hack around with.