Slack declined to say whether it is still working with the police department.
"I saw tech workers at Microsoft (GitHub), Google, and others start taking stands and achieve incremental gains and I thought why not me."
Multiple GitHub employees recalled comments from CEO Nat Friedman made during an internal company meeting.
Seth Vargo wrote code used in a platform called Chef. When he learned ICE was a customer, he wrestled with ICE using code he had personally written.
When influencers use their platforms for a cause, it can get picked up outside of social media into everyday conversations -- and real life actions.