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Who counts us? Mobile phone data, cruise tourists and the question of transparency

Measuring crowds on Passeig Marítim with port crowds in Mallorca

Explains why dense port crowds complicate data-based counting in Mallorca’s popular seafront areas.

Published: November 01, 2026
Who counts us? Mobile phone data, cruise tourists and the question of transparency

Answer

Why is it difficult to measure crowds on Passeig Marítim when multiple ships are in port?

Crowd dynamics can be hard to quantify with signals alone; groups mix with locals and students, and dense conditions can blur measurement. Visible activity doesn’t always map neatly to a single metric, illustrating the practical limits of data-based counting in real-world settings. This is a reminder that numbers need context.

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