[zwayhowder]

I love that idea. It would let people requiring different contrasts etc see the content too.

It won't help with pictures as easily, though a few apps these days do full PDF renders in different colours without much hassle.

I am definitely in the no black background white text camp and on the web I have a javascript bookmarklet to zap the colour CSS and make everything rather plain looking. It's not all text for me, but particularly dense text is unreadable, even with my glasses on.

[localhost]

Let me see if I can rally some folks on the Office team to build a PowerPoint companion app that does this. I think they have a hackathon coming up ...