“protoPlex” was a project that ran during 2008, organised by Thomas Hounsell and overlapping heavily with the Longhorn 08 team. The aim was to build on a Longhorn build 3718 base, and develop some early plex concepts demonstrated by Microsoft. February 2008 CTP This was the only public release from the protoPlex project. It included a somewhat complete version of the “bluePlex” theme. This is the only release that was delivered as an installer.