Cantonese, which has up to nine tones as opposed to the five in Mandarin, is much more versatile and one of the richest dialects in Chinese.
David TangI'm not terribly technological. I'm awfully backward about iPads and BlackBerries and suchlike; I still have a great fondness for Teletext, and I clung onto my fax machine for as long as I could, but eventually you have to move with the times.
David TangIt was something of a personal challenge for me to come up with a business suitable for the Internet world and the Internet age.
David Tang