For me: - Well supported and very active community. It's a project that is clearly going to be moving forward for a long time. - For my needs (structured data

For me: - Well supported and very active community. It's a project that is clearly going to be moving forward for a long time. - For my needs (structured data) it's super fast. - The auto-sharding support is nifty. - Geo-spatial queries out of the box