Do you know of airlines that use group-buying sites well? Here are – lessons from Lufthansa Brazil’s Groupon experiment

While some airlines don’t mind trying sites like Groupon, others are concerned with the huge marketing investment required. So do you know of airlines that have made it work?

How Lufthansa Brazil did it: http://simpliflying.com/2011/group-buying-sites-for-airlines-lessons-from-lufthansa-brazils-groupon-experiment/