This is the first part of a two-part series about a class project on online filter bubbles. In this post, we talk about our pedagogical approach and how we carried out the project. To read more about the results of the project, go to Part Two. By Janet Xu and Matthew J. Salganik The 2016 […]
SESTA May Encourage the Adoption of Broken Automated Filtering Technologies
September 18, 2017 by
The Senate is currently considering the Stop Enabling Sex Traffickers Act (SESTA, S. 1693), with a scheduled hearing tomorrow. In brief, the proposed legislation threatens to roll back aspects of Section 230 of the Communications Decency Act (CDA), which relieve content providers, or so-called “intermediaries” (e.g., Google, Facebook, Twitter) of liability for the content that is hosted on their […]
Getting serious about research ethics: AI and machine learning
September 18, 2017 by
[This blog post is a continuation of our series about research ethics in computer science.] The widespread deployment of artificial intelligence and specifically machine learning algorithms causes concern for some fundamental values in society, such as employment, privacy, and discrimination. While these algorithms promise to optimize social and economic processes, research in this area has […]
Blockchains and voting
September 12, 2017 by
I’ve been asked about a number of ideas lately involving voting systems and blockchains. This blog piece talks about all the security properties that a voting system needs to have, where blockchains help, and where they don’t. Let’s start off a decade ago, when Daniel Sandler and I first wrote a paper saying blockchains would be […]
BlockSci: a platform for blockchain science and exploration
September 11, 2017 by
The Bitcoin blockchain — currently 140GB and growing — contains a massive amount of data that can give us insights into the Bitcoin ecosystem, including how users, businesses, and miners operate. Today we’re announcing BlockSci, an open-source software tool that enables fast and expressive analysis of Bitcoin’s and many other blockchains, and an accompanying working […]
