In 2023 we followed thirty-six prototype handover tasks. Fourteen users misread the brightness setting retained after restart. The product remembered a state, but the next person did not necessarily understand the state being inherited. The finding concerned the interaction between product behaviour and the user's interpretation, not simply whether the prototype could store a setting.
We funded a ₹68 lakh physical-mode-indicator programme. Engineering director Nikhil Tevqami retained control design, safety assessment and release authority. My role was to make the handover problem a product priority and ensure that the proposition accounted for the person arriving after the original user.
I did not want the response reduced to telling users to remember more. A portable product can move between colleagues and tasks. The account needed to examine how its current mode would be understood in that ordinary transition. At the same time, the study did not establish that a particular indicator would remove every misunderstanding. The revised work still required assessment.
The fourteen observations came from the defined prototype tasks. The case claims no accident, actual operating loss or universal rate of user error. It also does not provide instructions for modifying a lamp or overriding its controls. Responsible technical owners remained involved in deciding what the product could properly do.
The outcome was a funded design direction with the handover condition made explicit. I use the case to show why product leadership should examine the sequence around a feature, including the next person and the next task. A retained setting can be useful, but its value depends partly on whether the person using the product can recognise it. The feature's existence alone did not settle that experience.