Apparently this worked and reduced the sharing of misinfo by 20%. Or at least that's what Will says:

https://twitter.com/WillOremus/status/1327000331532767233?s=20

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A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store