code: function (done, options) {
        // we do flash if swfobject is loaded
        if (!hasSwfObjectLoaded()) {
          return done('swf object not loaded')
        }
        if (!hasMinFlashInstalled()) {
          return done('flash not installed')
        }
        if (!options.fonts.swfPath) {
          return done('missing options.fonts.swfPath')
        }
        loadSwfAndDetectFonts(function (fonts) {
          done(fonts)
        }, options)
      }
docs: flash fonts (will increase fingerprinting time 20X to ~ 130-150ms)