DynamoDB is fantastic for not doing things at scale. It costs a few pennies, there is nothing to set up, it's all managed for you, it is insanely reliable, and

DynamoDB is fantastic for not doing things at scale. It costs a few pennies, there is nothing to set up, it's all managed for you, it is insanely reliable, and it just works. I use it for all kinds of crap that an entire RDBMS is way overkill for.