Holographic displays

Today, we might not have the capability to communicate via hologram images, though we might be getting closer. One example is the "tactile" hologram pictured above, which was developed by researchers at the School of Engineering and Informatics of the University of Sussex.
“Even though we have yet to match the Rebel Alliance’s communications capability, our prototype has come the closest yet and opened up a host of other exciting opportunities in the process," Dr. Ryuji Hirayama, lead author of the research paper, said in a press release.