DISRUPTION is capitalism’s great party trick. The history of business is full of seemingly insignificant upstarts who cottoned on to a new technology or idea, and used it to embarrass, and then destroy, proud incumbents. It’s a lesson that makers of mainframe computers, record labels, and bookshops have all learnt to their cost. But consumers reap the rewards, in the form of better, cheaper goods and services. Read more about private equity international risks.