Two direct users or two couples (couples consisting of a main user and a secondary user that must be on the same side of the table as the main user).
You can also have an additional group watching the external secondary screen or monitor
This device uses Axiom Holographics’ new Multi-User Hologram Technology. Normally multiple people cannot view holograms at the same time. For example, if one person is on the front of the table and another person is on the back then the hologram would make the back of a building for one, or front for the other, but could not do both at the same time.
We have overcome this problem with our new technology. We bend light waves to allow two people or two groups of people to see objects on the table from different sides.