Guardian: A battle is raging for the soul of activism. It is a struggle between digital activists, who have adopted the logic of the marketplace, and those organisers who vehemently oppose the marketisation of social change. At stake is the possibility of an emancipatory revolution in our lifetimes. The conflict can be traced back to 1997 when a quirky Berkeley, California-based software company known for its iconic flying toaster screensaver was purchased for $13.8m (£8.8m). The sale …