[DigitalJack]

Something I have noticed on HN lately is our (and I do me our) tendency to search for purely technological solutions and completely ignore the possibility of manual labor.

Wikipedia would not be possible without manual labor, as an example. We should not discount manual labor and the fact that humans are so versatile at dealing with ill-defined input.

Surely a "service" does not need to be a purely technological and automatic service.

I can imagine a portal, like google, that instead of storing vanilla cached pages, stores "vision impaired friendly" pages for viewing. I can further imagine that with the right tools developed, crowd sourcing could make this successful.

If one were to develop tools for slicing and cleansing or dynamically transforming pages such that these tools were friendly to blind and otherwise vision impaired users, you would have built in motivation among the crowd to participate.