What has been your biggest mistake?
I find it very difficult to think of mistakes; not that I don't make any but because I was brought up to look only at the good things in life ... As for what lost the most money, probably Virgin Cola. It is still No 1 in Bangladesh though.
Source: Thoroughly postmodern billionaire: http://www.guardian.co.uk/media/2006/apr/28/citynews.mondaymediasection
Contributed by: ~C4Chaos