McDonald's announces loud and clear that they bring you free coffee for a limited time. They're keeping hush about the part where they replaced the Folger's crystals with LSD crystal.
Bonus - The second ad in this series is a bus poster site filled with coffee beans that was gradually emptied out during a period of two weeks.
Agency: Cossette West, Canada
Creative Director: Bryan Collins, Rob Sweetman
Copywriter: Michael Milardo
Art Director: Eric Arnold