"You can't always predict what will happen," he said. "How can we build a platform so problems aren't catastrophic?"
To that end, most of the team leaders say they're working together more than they're competing. Of course, they'd all like to win the $2 million top prize. But they're also looking to advance the technology.
"It's a competition, but we're not really fighting against each other," said Hong, who noted that teams have been trading information and assistance in the run up to the final challenges. "We're trying to develop technologies that will save the world. If it can save even one person's life, we will have done our mission."
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