I guess the issue is that visually we can scan a page and and experience many things at once. Also, there are many ways to move the mouse cursor from one position to the next. There is a lot to work with.
I am wondering whether there are similar mechanisms for non-visual, non-mouse contexts. I don't think the solution is to add an endless stream of background noises to our websites. I fear the article is correct when it says:
> This leaves the entire burden of branding on voice & tone alone.