When the Harvard Business Review interviewed Sir Martin Sorrell, the chief executive officer of WPP group, it asked him what his favorite ad of all time was.
The single ad that Sorrell can't forget is pretty big news considering that he's one of the most important people in advertising.
Rather than one of his affiliate's campaigns, however, Sorrell went with a surprising choice: A Berlitz ad by BTS United Oslo.
While the choice might seem random, as Sorrell told the HBR, "It's hysterical, really hysterical."
Watch the ad below. It has more than 1.4 million views on YouTube and only disliked 47 times — 2,430 people gave it a thumbs up:
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