The Horizontal Orientation Slicer adds nice functionality but other buttons like the Bookmark/Page navigator have richer customization such as shapes and styles for each state (Default, Hover, Press...
With the introduction of field parameters this request is even more relevant. When formatting options are the same as with page and bookmark navigators, you only need to have a slicers with field parameter tiles and visuals with the field parameter. I think it can simplify a lot of reports, taking down bookmarks and additional pages!
