In my view, there are many insights like this to be had by physically studying product users a bit more. The startup community has built a strong habit of studying users before a new solution is adopted, but not as much after.
'Desire lines' in parks are one example. Desire lines are the paths in the grass that get worn down because people use them even though the designer didn't plan for it.
The insights designers get from just watching someone use a product are always delightful. The idea is basically ethnography for design. (https://www.interaction-design.org/literature/book/the-encyc...)
'Desire lines' in parks are one example. Desire lines are the paths in the grass that get worn down because people use them even though the designer didn't plan for it.