And with browsers advancing so rapidly, I'm really excited about what will be possible on this front in a couple of years time. Imagine being able to run computations on thousands of GPUs without having to distribute any software (think Folding@home, SETI@home, etc).
https://ss.crowdprocess.com/opt-out.html
Having said that, I am the first to admit that many websites aren't currently displaying this, we need to work on that.
Or you could even just provide website owners with a "global opt-out" URL that they can stick in their footer.
What's your opt-rate rate so far out of the sites that have shown this option?
do you have any real data regarding hidden cost to a site visitor? like power consumption A/B testing or something?