Machine learning and artificial intelligence are some of the hottest topics in the past few decades. They have caught wide attention because their applications as diverse as data mining, self-driving cars, fingerprint identification, financial services and other fields.

One of the most memorable characters from the cartoon series Charlie Brown is the faceless and prosaic teacher. Even though this character had no physical manifestation — no form, no dialogue — the caricature is memorable because of the frustration and giddiness it caused you to feel. No matter how eventful Charlie Brown’s day may have been, when he arrived at school, the teacher would motor on “wah-wah-wah-wah-wah,” inspiring the students to mutter to each other, “Are you getting anything of this?” Well, in a lot of adult learning situations, don’t you feel the same way?