The document discusses different types of invitations in interfaces including call to action invitations in blogs, blank slate invitations, unfinished invitations, tour invitations, hover invitations, drag and drop invitations used in apps like Google Docs and Maps, and invitations that infer or move content. It focuses on using different visual and interaction cues to invite users to take actions.

1. Provide Invitation

3. (p.182,fixy)
Call to ActionInvitation

4. (blog)
Blank slate Invitation
Unfinished Invitation

5. (kinect)
Tour Invitation

6. Hover

7. Click to Edit

8. Affordance
Menu

9. Drag&Drop
(Google Doc,Maps)

10. Drag&Drop

11. Inference Invitation

12. Move Content Invitation