During a ten-minute wait, a student automatically opens three applications.
In the hypothetical example, she proposes to herself to keep the phone in her pocket for part of the wait and observe what comes to her mind. It's not about showing that boredom is always good.
It is a small exercise of choice: an interval can become conversation, rest or simple observation. If every silence is filled, there is less room left to figure out what activity you really want.