Emirates Spinnaker Tower group based in York. Continuum also runs five other visitor attractions across the country. Following a commercial sponsorship deal with Dubai-based Emirates airline, the tower was renamed in July 2015. The tower, at a height of , is times as high as Nelson's Column, making it one of the tallest accessible structures in the United Kingdom outside London. The tower is visible around Portsmouth, changing the horizon of the area. It can be seen from the Isle of Wight, the Manhood Peninsula and even Highdown Gardens in Worthing. The tower represents sails billowing in the wind, a design accomplished using
Spinnaker Software each. The Windham Classics corporation went defunct circa 1985/86 or later. The Telarium Corporation went defunct in 1987. In response to a severe, if temporary, downturn in consumer purchases of personal computers in the mid-to-late 1980s, and the shift in the market from more entertainment-oriented machines from Commodore and Atari toward more small business and personal productivity software running on IBM PC clones, Spinnaker decided to phase out its educational and entertainment titles and focus on personal productivity. In 1985 Spinnaker created the "BetterWorking" brand of productivity software for adults. In 1990 Spinnaker bought Springboard, creator of Springboard Publisher and