Prophesy 1: The coffee machine will break down exactly 3 times during the meeting, and each time it will spew forth a jet of espresso like a mechanical dragon.
Also, Prophesy 2: The CEO will say the exact same phrase ("We need to think outside the box!") at least 5 times, and Prophesy 3: The copier will jam 3 times, but only after the meeting has already adjourned.
Other Prophesies: