Without a focus on agility, the plucky challengers risk turning into the very banks they're trying to disrupt.
How can a business move on after a central figure like Martin Sorrell departs?
Can the controversial taxi app move on from its past mistakes?
Many politicians became unemployed last week, but they don't all carry baggage that would be bad for business.
BlackBerry is up for sale and there are plenty of interested parties buzzing around it. Simon Hayward from Cirrus considers what BlackBerry's buyer (whoever it will be) could do to transform the once mighty smartphone maker.