code: function readNext (ix) {
  			if (ix < feedsArray.length) {
  				var item = feedsArray [ix];
  				if (atLeastOneSubscriber (item.url)) {
  					readFeed (item.url, function () {
  						readNext (ix + 1);
  						});
  					}
  				else {
  					readNext (ix + 1);
  					}
  				}
  			}
docs: 4/18/17 by DW