If you prefer caffeine comfort instead, watch out for the dapper British gentleman wheeling his luggage ahead of everyone else in line at the coffee shop. He's rushing to get his costume competition chores over with in time to take the last flight out of town. And he'll move those Klingons, Jedis, and various other fantastically garbed folks across the stage just as briskly. Don't feel bad if you don't recognize him right away, however. Just imagine his voice emerging from a gold metal mask, and you'll do fine.
Actors generally prove easier to spot than authors.
Of course, the tie dangling just above his left ear could fool even the president of his fan club. Sometimes the celebs find you. Especially if you look like my senior editor. Luckily for the one that was coming on to the Meanest Woman in Cyberspace, I was on hand. The MWIC is ferociously married, and the importunate star almost lost an arm.