It coincides with the European Commissioner for Competition's decision to fine Google the biggest antitrust penalty levelled on a single company, over its abuse of its dominant Android mobile operating system.
President TrumpDonald John TrumpIran claims it rejected Trump meeting requests 8 times ESPY host jokes Putin was as happy after Trump summit as Ovechkin winning Stanley Cup Russian ambassador: Trump made "verbal agreements" with Putin MORE on Thursday lashed out at the European Union for imposing a record $5 billion antitrust fine on Google.
The president tweeted: "I told you so!"
It has not been a good day for Google after it was hit with a record-breaking fine totaling $5 billion or €4.3 billion by the European Commission in relation to Android and the way the company uses its position to bundle search and Chrome with handsets throughout the continent.
It nearly doubles the €2.42b - about United States dollars $2.8b - that the European Union levied against the company previous year over promoting its own shopping comparison service at the top of its search results.
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Google immediately said it will appeal, arguing that its free operating system has led to lower-price phones and created competition with its chief rival, Apple.
Phone makers that refused were reportedly blocked access to Google's Play app store. So far, Google has not charged anything from smartphone manufacturers for making use of their technology and have not bound them in a "tightly controlled distribution model".
"Google has used Android as a vehicle to cement the dominance of its search engine", Vestager said in a statement. It it fails to overturn it, the company will have 90 days to change its practices or risk facing an even larger fine. "This is illegal under European Union antitrust rules".
"But we are concerned that today's decision will upset the careful balance that we have struck with Android, and that it sends a troubling signal in favour of proprietary systems over open platforms".
But according to Trump's tweet, the European Union may not have the power to enforce fines like this in future.