1. Structured snippet extensions
2. Call extensions
3. Callout extensions
4. Sitelink extensions
Allowing mobile users to directly call a business (2)
Directing users to specific pages of a website (4)
Highlighting value-adding attributes of the business, products, or services to users (3)
Describing features of a specific product or range of products or services offered by the business before users click on the ad (1)