https://www.theregister.co.uk/2019/01/11/germany_bans_amazon_dash/

Germany has banned Amazon's tap-to-order-a-thing Dash buttons, with a court deciding they break ecommerce laws.

The small rectangular button allows Amazon customers to instantly order a specific product by simply pressing it – something that sounds incredibly stupid (and is) but which some people like and Amazon loves because of the sales and data.