I believe that's what Google does. I'm not confident that it makes a big difference, because in the face of anything "idiot-proof", nature will provide a bette

I believe that's what Google does. I'm not confident that it makes a big difference, because in the face of anything "idiot-proof", nature will provide a better idiot. It is really easy to A/B test having a small static button vs a large, flashing, jumping button with sound, and measure engagement as "ever clicked the button". It passes statistical power and significance since most of your users now click the button, even if none of them did before. The failure here is that the button is simply annoying, and clicking the button is not a legitimate engagement with the feature, hence the statistical power to answer the question "does a flashing button promote engagement with the feature" is actually zero.