Authors like Brand and Toffler understood the rise of what today we call libertarianism , with its cross-pollination between cultural trends ( do-it-yourself rock and roll , homebuilding , computer building , etc . , symbolized by the Whole Earth Catalog , the Sex Pistols , and the Apple II ) and economic trends ( the rise of the entrepreneur as hero , the brand of me , and ever-lowering barriers to the flow of capital from market to market ) .
Libertarianism is popular today .