He still likes to use the Vantage from time to time, and sometimes will use them both at the same time. Grant was introduced to augmentative communication devices about twelve years ago, but was not making very much progress communicating using these devices. 127 141 21 Bessi. 28 29 2 bohed. 8 5 1 White77. In 1981, Prentke and Romich began working with Bruce Baker, the founder and president of Semantic Compaction. 2016 Hyundai Motor America. Each individual will be asked to create a short (1-2 min.) video or write a testimonial answering the question “Why PRC?” Depending on the individual's role, the videos may be focused on why they like working at PRC, why they recommend PRC devices, why their child is successful using a PRC device, etc. 33 56 8 estall.