Focus in the presence of practically infinite distractions is what’s going to lead to efficiency, efficacy & regret minimisation (Big Rocks, Pebbles, Sand filling in a jar efficiency technique)

Focus on a very few key important things – typically Three Main Things in a day is what’s the best and most efficient way to work.
Focus on the big rocks, focus less on pebbles and least on the sand or let others focus on the pebbles and the sand.