https://arstechnica.com/tech-policy/2019/07/trump-threatens-retaliation-against-france-over-digital-service-tax/

Donald Trump is threatening to retaliate after French President Emmanuel Macron signed legislation imposing a 3% tax on digital transactions.

"France just put a digital tax on our great American technology companies," Trump tweeted. "If anybody taxes them, it should be their home Country, the USA."