Sixties London was the cultural hub of the world, powered by youth, affluence, and mass media. A new generation of rock stars and trendsetters shaped pop culture as Pop Art commented on consumerism and architecture looked to the future. London in the 1960s represented youth, modernity, and optimism in a period dubbed "Swinging London" as the economy boomed. Symbols like the Union Jack came to represent the era's fashion and culture as British rock bands like the Beatles rose to fame. London in the 1960s was defined by revolutionary changes in music, fashion, beauty and hair as a new generation embraced self-expression.