Oliver Marsh

Sexualized images on X: what we are doing to stop them and what we expect from the EU

Documented networks of X accounts openly promoting non-consensual 'nudify' tools; a reported post was deemed non-violating, and X refused a DSA Art. 40.12 data request, blocking research (context to the EU's DSA fine on X).

Meta's elections dashboard: A very disappointing sign

Technical critique of Meta's EU election-monitoring dashboard: keyword lists mis-copied across countries, Instagram lacking location filters, and Facebook filters cutting ~50% of relevant material, calling it a 'PR distraction.'

Safe by Default (People vs Big Tech briefing)

Argues engagement-based recommender systems amplifying borderline content is a feature not a bug; calls on regulators to require non-profiling feeds as the default.

Antisemitism on Twitter Before and After Elon Musk's Acquisition

With CASM Technology: weekly average English-language antisemitic tweets rose 106% after Musk's takeover and new antisemitic-posting accounts more than tripled, with no evidence 'deboosting' reduced engagement.