Articles
Digital bond
Digital surveillance and transparency: making the case for a healthy digital bond, backed by data and evidence.
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Digital bond · October 2, 2026
How they track you (I): what Google Analytics and the Meta Pixel really collect
What a Google Analytics 4 tag and the Meta Pixel really collect, told through both companies' own official documentation and without adjectives.
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Digital bond · September 19, 2026
PISA 2025 and AI: knowing how much or what for isn't enough
PISA 2025's public microdata (29,966 Spanish PUF records) show that the frequency of AI chatbot use across four different school tasks does not follow a simple pattern with the score. This article reviews the finding without forcing the conclusion to "what matters is judgement," and clarifies what the OECD actually says about the "school year" benchmark.
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Digital bond · September 10, 2026
Spain's worst PISA results in 25 years: what PISA 2025 says about screens and digital devices in the classroom
Spain reaches, in PISA 2025, some of the lowest nominal scores in its historical series, with statistically significant drops in Reading and Mathematics, while the report once again measures classroom distraction from digital devices, this time in Science. This article reviews the data instead of repeating the headline — it verifies it.
