I just made you say underwear

I just got out of the women's bathroom in our office... and someone left their underwear (a thong no less)on the table. UNDERWEAR. Now, I'm a pretty creative thinker, but this one perplexes even me. How do you forget your underwear? Lets see.. I've got my keys, my sunglasses, my purse.. what am I missing? I made Chris go in the bathroom to double check I wasnt seeing things. Perhaps over the loud speaker I can have our receptionist say" Would the owner of the nude colored thong please come to the front desk. Thank You".