I use Lightroom 4 to organize my photos. Every photo is tagged and I rely heavily on smart folders based on metadata and these tags. OS X Mavericks provides a better support for tags on the operation ...
I have a question about Adobe Lightroom 4: Say I have a keyword "parent" and a nested keyword (subtag) "child" under that keyword. Some photos are tagged with "parent", other are (only) tagged with ...