Consider the following scenarios in the context of email marketing's role in user engagement. Which scenario best illustrates the impact of personalized communication in email marketing?
- Scenario A: A company sends a generic monthly newsletter to its entire user base, including updates and general offers.
- Scenario B: An online store sends a birthday email to a customer with a personalized discount on their favorite category of products.
- Scenario C: A fitness app sends the same weekly workout tips email to all its subscribers regardless of their individual fitness goals.
- Scenario D: A music streaming service sends an email blast about a new feature to all users who haven’t used the feature yet.
Select the scenario that best demonstrates the effectiveness of personalized communication in email marketing.