We’ve launched a new section today called 20 questions, in which we talk to leading businesspeople in rapid-fire form. First up: Biz Stone, co-founder of Twitter who answers, of course, in 140 characters or less. Definitely worth a read. And keep an eye out for next week’s executive: Guy Hands.
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Stefan Stern writes a column on Tuesdays on
Ravi Mattu is the editor of 
Lucy Kellaway writes a column on Mondays on
Luke Johnson writes an FT column on Wednesdays on
Lucy Kellaway, FT columnist and associate editor, offers her solution to your workplace problems in a column in the Financial Times. In the 
