During Tesla’s “We, Robot” event last week, which TechCrunch covered late into the night, sources on the ground sent me a handful of videos of the

Tesla Inc. used humans to remotely control some capabilities of its Optimus robot prototypes at a recent event designed to generate investor enthusiasm for forthcoming products, according to people familiar with the matter.

Optimus bots wowed the crowd during Tesla’s “We, Robot” event after CEO Elon Musk unveiled his Robovan prototype. They walked out alongside the self-driving vehicle and performed a dance number. Then,