United Kingdom, March 27 -- A landmark legal victory has been dealt against Meta and Google.

It comes after a Los Angeles jury found the companies built addictive platforms that harmed her mental health.

The case centred on Kaley, aged 20, who sued the parent company of Instagram, Facebook and WhatsApp, alongside Google, which owns YouTube, alleging their platforms were designed in ways that encouraged compulsive use from a young age.

Jurors ruled in her favour, awarding $6million in damages - split between $3million in compensatory damages and $3million in punitive damages - after determining the companies had "acted with malice, oppression, or fraud".

Meta was assigned 70 percent of the liability, with Google responsible for the rem...