https://www.theguardian.com/commentisfree/2021/jun/12/big-brother-is-still-watching-you-and-he-goes-by-the-name-facebook-john-naughton

The social media giant’s offer of free internet access ensures that mobile users stay where it can keep an eye on them

The security guru Bruce Schneier once famously observed that “surveillance is the business model of the internet”. Like all striking generalisations it was slightly too general: it was strictly true only if by “the internet” you meant the services of a certain number of giant tech companies, notably those of Facebook (including WhatsApp and Instagram), Google (including YouTube), Twitter and Amazon.