sentences:  The Market for the old-style BBS software was eroded by the arrival of the Internet and the Windows GUI operating systems during the late 1990s, and although McBBS had primitive networking capabilities via the FidoNet, and its own proprietary McNET, it was not enough to compete with the internet E-mailing systems, nor could McDonald program a new version fast enough to compete with the arrival of the GUI operating systems.McBBS was terminated a short time after.For sometime the official history of McBBS was available at the Emperor Multimedia website.