The debate intensified over whether the growing number of tech companies that blocked white supremacists and a neo-Nazi website on the internet have gone too far, as a prominent privacy group questioned the power a few corporations have to censor.

The Chief Executive of Cloudflare Inc., one of several internet companies this week to cut ties with Daily Stormer, effectively preventing the neo-Nazi website from appearing on the web, admitted he set a troubling precedent.

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