Alie Waldron, 23, and Greg Zimmerman, 26, step out, retrieve their photos and examine the results: one of the couple kissing, another of them posturing as rock stars. But clearly, something is missing. “We didn’t get one of my shoes!” Waldron cries, pointing to her new stiletto sandals. They must go back in, Waldron decides. To fully document the night, she must document her shoes.