The Nvidia chief remained his usual ebullient self despite environmental protesters interrupting his presentation at Berlin's tent-shaped Tempodrom.

"Why don't you clean up your act?" they demanded, holding up banners that partially obscured the presentation screen behind Huang.

"All important issues, but let me get through my keynote," he joked, adding: "I'll talk to you guys later," as security swiftly removed them.

...

Huang closed with a CGI video of robots performing a Eurovision-style song recapping his keynote. Yes, it was as bad as you imagine.

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