‘A difficult line’: meet the editors tackling Wikipedia’s arms trade pages

Volunteers and new recruits come together for ‘wikithon’ to put more detail about industry into public domain

“Anyone can edit Wikipedia,” the adage goes. But, it turns out, a relatively small number actually do.

What is worthy of a digital page in the world’s largest and most-read encyclopedia is decided by roughly 270,000 active volunteers, enthusiasts who populate the online resource with information on anything from 19th-century medicine to TikTok trends. Inevitably, some subjects are sidelined – the global south, notable women – but a new batch of Wikipedian recruits are waging war on one neglected topic: the arms industry.

Last week, in a classroom in central London, two dozen volunteers huddled around laptops and free servings of vegan Ethiopian food for what is known as a “wikithon”, an event of collective and in-person Wikipedia editing. Some were veteran editors in their 70s, others young students who had never registered an account before. But their targets include subjects such as Palantir, Project Maven and Nitro-Chem.