Over the last year, the social network revolution has made tycoons out of the likes of Sean Parker, Eduardo Saverin, Mark Pincus and Reid Hoffman.

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Simon Jackson, an Australian designer who made his name catering to expats and local tycoons, did the last renovation in 1993 when the kids were teenagers, changing what had been a Spanish-style villa with a Japanese garden into a neoclassical home, adding some ornate touches and the outdoor pool, but in a "California" palette of creams and yellows.

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Henderson Land chairman Lee Shau-kee was one of the big tycoons who bought heavily when the government intervened in the stock market last August.

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