code: function(seriesCallback) {
                  if(!obtainDates) {
                      seriesCallback();
                      return;
                  }
  
                  getDatesForPinsFromScraping(pinsThatNeedScrapedDates, null, function (pinDateMap) {
                      for (var i = 0; i < allPinsData.length; i++) {
                          if (allPinsData[i].created_at == null && pinDateMap[allPinsData[i].id] && pinDateMap[allPinsData[i].id].date) {
                              allPinsData[i].created_at = pinDateMap[allPinsData[i].id].date;
                              allPinsData[i].created_at_source = pinDateMap[allPinsData[i].id].source;
                          }
                      }
                      seriesCallback();
                      return;
                  });
              }
docs: get remaining dates by scraping