Squatting and Chatting in Denver on my way to San Diego

I just had a 10-minute conversation with a sweet little old lady from New Orleans. She was in front of me in the security line at the Denver airport. She just started traveling a year ago after her husband passed away and I helped walk her through the security rigamarole. But she so cute because she had her boarding pass on her iphone, although she didn't know what to do with it when she got