"Tech Workers Now Want to Know: What Are We Building This For?" by Kate Conger and Cade Metz https://www.nytimes.com/2018/10/07/technology/tech-workers-ask-censorship-surveillance.html
I've seen these kinds of conversations inside both Microsoft and Salesforce. It's a great way to keep tech companies accountable, because there's so much competition for talent, so employees have a lot of bargaining power.