PivotBy: Jenny Blake 'Looking to make a career change? Pivot is the book you will turn to again and again' Dan Pink, author of To Sell is Human and Drive 'Now you, too, can think like a start up and fix your ailing life' Sunday Times 'A guide for people who want a career change but are too scared to really go for it' Elle It's always the right time to think about your next move. In today's economy the average job tenure is only four years, and falling.