https://www.siliconvalley.com/2019/11/20/how-apples-tim-cook-built-a-relationship-with-donald-trump/ > President Donald Trump isn’t known for his warm relationship with Silicon Valley. > He frequently rails against social media companies for what he sees as anti-conservative bias. Tech CEOs have left White House advisory board positions over opposition to Trump’s environmental and immigration policies. And one company, Amazon, has sued the Trump administration claiming a defense contract was denied because of the President’s animus against its owner.