Faceted refinement and filtering is now a common part of search results interfaces, and faceted navigation is being used for many other types of interactions. At the same time, the underlying data on the web is changing (with increasing structured data, semantics, and use of more sophisticated categorization), as are the tool sets that can be used to implement facet interfaces “out of the box.” This talk addresses how the increasing availability of data and tools puts the focus even more firmly on the designer to make decisions that affect usability.