What It Means When You Get 'SSSS' on Your Boarding Pass
by Emily Price from Lifehacker on (#32CMZ)

Recently, a friend of mine tried to print his boarding pass for a return trip home from San Francisco and had some issues. No matter how many times he reloaded Delta's site or tried checking in on his phone, he kept getting a message that he wouldn't be able to print his boarding pass. At the time we attributed it to"