Richard Stallman, pictured in 2015, resigned from his posts as president of the Free Software Foundation and visiting scientist at MIT's Computer Science and Artificial Intelligence Laboratory.
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Mohammad Al Abdallah, the executive director of the Syria Justice and Accountability Centre, shows a video that was posted to YouTube of illegal cluster bombing in Syria.
By clicking "Like" and commenting on Facebook posts, users signal the social network's algorithm that they care about something. That in turn helps influence what they see later. Algorithms like that happen all over the web — and the programs can reflect human biases.
Computer Engineer Barbie is shown at the New York Toy Fair in New York. Critics took issue this week with a book that portrays Barbie needing help from boys in order to make a video game and fix a virus.
Alex Tu, an advanced placement student, takes a computer science class in Midwest City, Okla. There's been a sharp decline in the number of computer science classes offered in U.S. secondary schools.