Silicon Valley's anger is showing

Many of the core tasks at Silicon Valley companies are handled by immigrants

US immigration restrictions introduced over the weekend are bringing the technology industry together in unified anger like never before.

While the clampdown isn’t an immediate threat to businesses, emotions are running high because President Donald Trump’s executive order violates Silicon Valley’s self-image of inclusion and tolerance. More than any other industry, the tech enclave embraces the work and aspirations of immigrants. At least half of the top 20 US tech companies were founded or are currently led by someone who came from another country.

The late Steve Jobs, Apple’s co-founder, is the biological son of an immigrant from Syria,