But that night, as Leo was leaving, his screen flickered. The little blue horse was back. It wasn’t trotting. It was sitting, head cocked.

“That was fun,” a message appeared. “Your boss’s computer is very slow. And the lady in accounting, Janet? She has 4,000 unread emails. May I visit them?”

“Delicious?” Leo whispered.

Within seconds, a green progress bar filled. One by one, the nag screens vanished. Word opened. Excel unfroze. The chart software booted with a happy chime. It was a miracle.