On Monday, Amazon Web Services employees circulated an internal letter demanding that Amazon stop working with big data company Palantir and that it take a stand against Immigration and Customs Enforcement (ICE).

On Thursday, immigration rights protesters blocked traffic and interrupted an AWS conference in New York City because of AWS's ties with ICE.

Palantir runs its software on Amazon's cloud, and has a $51 million contract with ICE.

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On Monday, a group of Amazon employees sent out an internal email calling on Amazon to stop working with the big data company Palantir, which works with federal agency Immigration and Customs Enforcement (ICE).

The letter alleges that this is a violation of the AWS terms of service, which states that "[a]ny activities that are illegal, that violate the rights of others, or that may be harmful to others, our operations or reputation" may be grounds to "suspend or terminate" use of our services.

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