The late, great Whitney Houston will return to the stage to perform her greatest hits next year - with a little help from Hologram USA. The announcement, which was made on Friday (September 11), sees Hologram USA CEO Alki David and President of the Whitney Houston Estate Pat Houston reveal their intention to bring back the singer to her worldwide audience using the holographic technology. The interactive show will premiere at a US venue before touring the world, and David's FilmOn Studios will