 Chaired by David McLauchlan from Microsoft, the standard was developed with the input or support of over fifty consumer electronics companies worldwide.CEA-2017-A is the new revision of the earlier ANSI/CEA-2017 standard adopted in July 2007, which used a proprietary serial protocol based on Media Oriented Systems Transport (MOST) in-vehicle network; the 2007 revision has seen only marginal use in actual devices.New CEA-2017-A devices are not compatible with devices manufactured under the 2007 revision.