Apparently at one point LinkedIn had a cultural practice to focus on Little Things That Make a Big Difference: LTTMBD.
(I may have gotten this acronym wrong)
Once a quarter, everyone was supposed to spend a week working on them.
Often those little ideas have huge positive externalities that are hard to characterize.
The work to do them is easier than the work to describe their impact.
The power of P2s: sometimes giving some space to make a product better in little ways improves the product much more than any single big thing would.