At App Promotion Summit Berlin WFH 2020 we had Natalie Fitch (Senior CRM Manager @ Babbel) & David Blumenthal-Barby (Head of Data Products @ Babbel) cover:

➡️ The limitations of traditional A/B testing methods
➡️ Include an intro to Multi-Armed Bandit algorithms
➡️ Discuss the implementation of the algorithm at Babbel and further use cases

You can check out the full video below: