The latest release of CartoDB has a fundamental change in the way you think about your data. Instead of every dataset becoming a map, users can now manage many datasets each with there own map. When it comes time to publish maps though, users create Visualizations, which are composites of one to many layers.
This is going to allow users to get far more creative with their data, as well as more easily reuse data across.
This is just an intro, come back for more!