The convention isn't open to the public, but if you were to drop in, you'd find these people attending clinics on repairing, cleaning and restoring vacuums. You'd see them holding vacuuming contests, playing "Vacuum Jeopardy" and eating vacuum-shaped cake on tables decorated with vacuum components. Each was allowed to bring along 12 vacuums.
Next time I'll ask for a press pass.
Thanks to Ann Hanson for the heads up.