1. This is why your workday feels useless
11 Aug 2025 · 1 min

0:49
Peter Vander Wall uses a lemonade stand to show why you feel unproductive: three people switching between squeezing, mixing, and serving only handle 20 customers an hour. When each person specializes in one task, throughput jumps 5 to 10 times.
Questions this video answers
About 20 customers per hour.
An estimated 5 to 10 times the original throughput.










