“The brilliance, of course, is in its simplistic message. Southwest’s popular “Grab Your Bag, It’s On” campaign, produced by longtime agency GSD&M Idea City, Austin, Texas, started in the summer of 2009 and has been a hit ever since. Different iterations have sprung from the same idea, notably the “Bags Fly Free” marketing effort that launched in the fall of last year…” [Read More]