"We were watching a movie, and I had a giant soda," Jenna says. "I knew I needed to go, but the movie was at a really climaxing, quiet part, and I didn't want to disrupt the row. Then, I felt it. A tickle in my nose."

She returned to her desk to find 112 Slack messages. The CEO had typed, "Glad you're feeling better, Sarah. Mark says hi."