Ethan Mollick let Claude work for 9.5 hours on its own. Engineers shipping AI to users were horrified (oneusefulthing.org)
The pitch is a role change — judge the finished work, don't drive the process. One project ran nine and a half hours nearly unattended.
Practitioners flipped it: their customers are begging for sub-20-second agents, so a 9.5-hour run is a warning, not a wonder.
And the showcased travel-time map, checked against Google Maps, routed people down roads that don't exist.
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