Marketing is of course an important part of any business venture. However, it always pays to do your homework before jumping into something. This link does a great job on telling the story of one person who learned from their experience.
As mentioned recently on CNN you can know update facebook for free if you are flying AirTran Airways, Alaska Airlines, American Airlines, Delta Air Lines, United Airlines, US Airways and Virgin America. Check out CNN for more info.
My ramblings about tech, politics, health and anything else I can think of.