I actually started thinking about this and have tested an idea for answering data portability requests (https://www.dpkit.com) for the German market, so far there's not much interest though.
Which aspects do you think would be interesting to automate or are particularly painful from your perspective?
I’d pay for a browser plugin that sent this to every company that attempted to set a third party cookie on my browser, but I don’t live in Europe and doubt that’s what you meant. ;-)
After this whole process of ineffectual, burdensome regulation followed by inconvenient, expensive, mediocre regulatory automation, how much better off is society?
We should ask that to the dozens of millions of Americans who have their private data for sale even as I type this after the Equifax breach. Bonus: we can literally buy it and use that data to contact them directly and ask :)