How do you know when an Internet meme has run its course? Executives do stuff like this at conferences.

In the span of two hours today, executives from two Seattle tech startups started their talks at the Seattle Interactive conference with “Gangnam Style” dances.

First was Glenn Walcott, president of Seattle-based DoubleDown Interactive, who started out his talk on “The Strategic Role Content Plays in Mobile and Social Games” by joining a group of dancers on stage. Watch the video above as Glenn takes the role of “Psy,” and then explains why the heck he used Gangnam Style to begin his presentation.

Stunts like this are nothing new for Walcott, who was last seen raining cash on the crowd at the Casual Connect conference.

Also check out the opening below from Cheezburger’s Ben Huh (courtesy of Felice Lam).

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