External Phone calls, colleagues, questions,
... Protect the pomodoro: inform, negociate and reschedule (true emergencies really are rare). The headphones rule: wear your headphones during the pomodoro, take them off during the break.
Tiny tasks You cannot break
the pomodoro. Combine tasks when they’re really small ones. Otherwise take time to review and repeat when you’ve got a only a few minutes left.
Breaks are an essential part
of the pomodoro. Although in many (corporate) environments there’s a sort of aversion to breaks. Make them longer when you feel that’s beneﬁcial for your concentration/motivation (don’t fool yourself though).