The Americans removed all doubt early in Saturday's race, taking the lead after one lap and building on it with each pass of the baton.

WSJ: Social Media

Walking past the busts of notable scholars, each with solemn visage gazing out from the distant past, I pass shelf after shelf crammed with learning.

BBC: A literary pilgrimage through the streets of Dublin

You could also see little boxes printed on the cup for checking each time you reuse it, perhaps with a free coffee or other incentive after you pass, say, 5 or so refills.

FORBES: The Reusable Cup Experiment