Null - The event was "zero-carbon" and paper-free. Unlike traditional meetings, attendees did not receive any paper document but a QR code. All conference schedules and guides would show on the attendees' cellphones when they scan the QR code. https://t.co/IkzNMWVHxT

3:34am PST - November 15th, 2021

The event was "zero-carbon" and paper-free. Unlike traditional meetings, attendees did not receive any paper document but a QR code. All conference schedules and guides would show on the attendees' cellphones when they scan the QR code. https://t.co/IkzNMWVHxT

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Oliver Liu (@YoloOliver1)