Oliver Marsh
Head of Tech Research
- Currently at
- AlgorithmWatch
- Reports
- 3
- Organisations
- 2
- Active since
- 2024
- Latest report
- Jan 2026
Reports
Full database2026
1 report- AlgorithmWatchJan 2026X/TwitterMetaTelegramCross-platformOther
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).
Gender-Based Violence & HarassmentData Access & Research ToolsArt. 40 — Researcher data accessArt. 34/35 — Systemic riskBy Oliver Marsh
2024
2 reports- AlgorithmWatchJun 2024Meta
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.'
Election IntegrityPlatform Compliance & GovernanceArt. 34/35 — Systemic riskBy Oliver Marsh
- PanoptykonMar 2024TikTokMetaYouTubeCross-platform
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.
Algorithmic Harm & Recommender SystemsPlatform Compliance & GovernanceArt. 27 — Recommender transparencyBy Oliver Marsh, Marc Faddoul, Katarzyna Szymielewicz, Dorota Głowacka and Tanya O'Carroll