 The Occupy movement's ""We are the 99%"" slogan made talk of inequality "the zeitgeist of our age – an age of seemingly permanent crisis and austerity," as Adam Booth put it.British author Paul Mason dismissed charges of "soft Marxism" as "completely misplaced", noting that Marx described social relations trying to unveil capitalism's inner tendencies, where Piketty solely relies on social categories and historical data.Piketty rather "placed an unexploded bomb within mainstream, classical economics," he concludes.