Interaction Studio updates segment membership inreal-time, meaning web visitors are immediately added to the segment after fulfilling the criteria, such as viewing the homepage.
Reference: Salesforce Interaction Studio Real-Time Segmentation Documentation.

In theEvent API requestfor returning server-side campaigns inSalesforce Interaction Studio (IS), the attributeSourcewith the valueServeris used. This ensures that the request explicitly identifies that it is for server-side campaigns, distinguishing it from client-side campaigns.

The base item types in aCatalogincludeProduct,Category, andArticle, which form the foundation for creating personalized recommendations and content delivery.
In Marketing Cloud Personalization, administrators can utilize the following base item types when constructing a catalog:
* Product:This represents the core item type for most catalogs, encompassing individual products or services offered by a business. Each product typically includes attributes like name, description, price, image, and other relevant details.
* Category:Categories provide a hierarchical structure for organizing products within a catalog. This allows for easier navigation, filtering, and browsing for both users and marketers. Categories can be nested to create multiple levels of organization.
* Article:Articles represent informational content related to products or services. This can include blog posts, news articles, product reviews, or any other content that provides valuable context or insights to users.

Einstein Recipesare the machine-learning-powered algorithms used in Interaction Studio (IS) to deliver personalized recommendations.
These recipes allow businesses to customize AI models to align with their specific goals.
Reference: Salesforce Interaction Studio Documentation - Einstein Recipes Overview.