What two features of interaction studio can be used in an open-time email campaign?

In Interaction Studio, open-time email campaigns can dynamically personalize content for users at the moment they open an email. The two features utilized in open-time emails are:

Promotion (Answer A):

Promotions allow marketers to deliver dynamic offers or messages to users. At open time, these promotions adapt based on the recipient's real-time behavior and attributes.

Use Case: Displaying a promotion for a sale or an offer personalized to the user's recent activities.

Recipe (Answer D):

Recipes drive dynamic content recommendations, such as product suggestions or personalized content blocks, in the email. Recipes dynamically adjust based on user preferences or real-time context at the time of email open.

Use Case: Recommending products based on recent browsing history or purchase behavior.