| Too Theoretical? | 
| Have some WAI techniques not being used  sufficiently to expect widespread use?  | 
But
- longdescr not supported in widely used browsers
- There is little implementation experience:
- Should  the file be text, HTML, … (it's not defined)
- How will the information be rendered?
- Should I provide navigation to the original document?
- What about the management of the content?
- If it's not widely used, can we implement a better solution (e.g. based on XLink)
1.1	Provide a text equivalent for every non-text element (e.g., via "alt", "longdesc", or …
Typical Problems
Slide Comments: