A convention reminder, as I'm four days away from being at Pi-Con:
Always remember the 35-2-1 Rule for conventions: In each 24-hour period, sleep at least 35 hours, eat at least 2 meals, and take at least 1 shower. (Revised because zarhooie, who's attended conventions and who knows of what she speaks. Thanks, hon.)
Do NOT mix these up. Three showers + one hour of sleep would be, um, counterproductive.