1. The Effect of Media Richness on Annotations
Jimmy Lin
CS 294-4
December 3, 1999

2. Background: DENIM Sketch-based tool for designing web sites
Targeted for early stage web design
Pan-and-zoom interaction

3. DENIM
Canvas

4. DENIM: Creating Pages

5. DENIM: Creating Pages

6. DENIM: Site Map View
Zoom
Slider

7. DENIM: Storyboard View

8. DENIM: Sketch View

9. DENIM: Run Mode

10. Annotations Designers often annotate designs
Designers also discuss ideas with each other
“Audio annotations"

11. Pen Annotations

12. Audio Annotations

13. Audio Annotations

14. Audio Annotations

15. Audio Annotations

16. Annotations and Media Richness
According to media richness
Audio annotations richer than written annotations
 Should carry different content
Neuwirth et al (1994)
Voice annotations focused on purpose, audience
Written annotations focused on substance
Similar conclusions for design documents?

17. Informal Study Participants: 4 web designers Briefly demonstrate DENIM
Give three web designs
Annotate
One with ink
One with voice
One with whichever designer wants

18. Informal Study Record and analyze Time to annotate
How many items were annotated
Type of content in annotations
Satisfaction of reviewer
Usability concerns
Overall reaction