3 Feature Engineering Techniques for Unstructured Text Data
Machine learning models possess a fundamental limitation that often frustrates newcomers to natural language processing (NLP): they cannot read.
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COVID and the Craving for Certainty
In March of 2020, I published an essay warning both the public and our policymakers against overreacting to the COVID threat. We overreact, I argued, in times of “epistemic uncertainty,” when we do not know enough about a threat we face and are unclear about our best response. Continue Reading…
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The Real Meaning of Thanksgiving: The Triumph of Capitalism over Collectivism
In the wilderness of the New World, the Plymouth Pilgrims had progressed from the false dream of communism to the sound realism of capitalism.
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Introducing Nano Banana Pro
Nano Banana Pro is our new image generation and editing model from Google DeepMind.
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EFF Teams Up With AV Comparatives to Test Android Stalkerware Detection by Major Antivirus Apps
EFF has, for many years, raised the alarm about the proliferation of stalkerware—commercially-available apps designed to be installed covertly on another person’s device and exfiltrate data from that device without their knowledge. In particular, we have urged the makers of anti-virus products for Android phones to improve their detection of stalkerware and call it out explicitly to users when it is found. In 2020 and 2021, AV Comparatives ran tests to see how well the most popular anti-virus […]
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What EFF Needs in a New Executive Director
By Gigi Sohn, Chair, EFF Board of Directors With the impending departure of longtime, renowned, and beloved Executive Director Cindy Cohn, EFF and leadership advisory firm Russell Reynolds Associates have developed a profile for her successor. While Cindy is irreplaceable, we hope that everyone who knows and loves EFF will help us find our next leader. First and foremost, we are looking for someone who’ll meet this pivotal moment in EFF’s history. As authoritarian surveillance creeps around […]
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The Machine Learning “Advent Calendar” Day 5: GMM in Excel
This article introduces the Gaussian Mixture Model as a natural extension of k-Means, by improving how distance is measured through variances and the Mahalanobis distance. Instead of assigning points to clusters with hard boundaries, GMM uses probabilities learned through the Expectation–Maximization algorithm – the general form of Lloyd’s method. Using simple Excel formulas, we implement EM step by step in 1D and 2D, and we visualise how the Gaussian curves or ellipses move during training. The means shift, […]
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Engineering more resilient crops for a warming climate
Scientists are using AlphaFold to strengthen a photosynthesis enzyme for resilient, heat-tolerant crops.
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10 (Not So) Hidden Dangers of Age Verification
It’s nearly the end of 2025, and half of the US and the UK now require you to upload your ID or scan your face to watch “sexual content.” A handful of states and Australia now have various requirements to verify your age before you can create a social media account. Age-verification laws may sound straightforward to some: protect young people online by making everyone prove their age. But in reality, these mandates force users into one of […]
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Use Circle to Search and Google Lens to spot scam messages.
You can now use Circle to Search and Google Lens to detect scammy messages you receive on your phone.
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