True, their Menlo Park home has enough Judaica to put most synagogue and Jewish gift shops to shame. But collecting is a state of mind. And the Liebermans don't have it. We have to use what we have. And so they do.
Display cases have no doors.
Seder plates are easily lifted from their wall mounts. Everything is accessible, touchable, usable. But without a Torah in the house, there isn't much need for a yad. Even the front door hints at the Jewish home beyond. The door, which the Liebermans designed, is paneled with 10 square windows representing the Ten Commandments.