How Facebook’s news feed algorithm works.
The reality of Facebook’s algorithm is somewhat less fantastical, but no less fascinating. I had a rare chance recently to spend time with Facebook’s news feed team at their Menlo Park, California, headquarters and see what it actually looks like when they make one of those infamous, market-moving “tweaks” to the algorithm—why they do it, how they do it, and how they decide whether it worked. A glimpse into its inner workings sheds light not only on the mechanisms of Facebook’s news feed, but on the limitations of machine learning, the pitfalls of data-driven decision making, and the moves Facebook is increasingly making to collect and address feedback from individual human users, including a growing panel of testers that are becoming Facebook’s equivalent of the Nielsen family 阅读原文
ProPublica Launches the Dark Web's First Major News Site
Tigas first began considering launching a hidden service last year when the news site was working on a report about Chinese online censorship and wanted to make sure the reporting was itself safe to visit for Chinese readers. 阅读原文