Six Guardian readers, responding to Georgina McNamara's account of deleting Instagram, describe remarkably convergent experiences of withdrawal and recovery. The letters span ages and geographies — Glasgow, West Yorkshire, London, Aberdeen, West Sussex, Woking — but the reported mechanism is identical: Instagram didn't just consume time, it restructured how these people experienced their own lives, turning private moments into raw material for public performance. The extraction pattern they describe is precise and consistent. Guy Edmondson, a woodworker in Hipperholme, reports that his most meaningful activities — woodworking, guitar, walking his spaniels — became "vastly richer" once stripped of the impulse to photograph and share. Laura Dobie in Glasgow used the One Sec app to trigger a breathing exercise before opening Instagram and discovered the check was purely reflexive — a behavioural loop with no conscious intent behind it. Dr Hilary Redden in Aberdeen lasted six weeks before recognising outright addiction, and months later still experienced the pull to "just pop on." The most structurally revealing letter comes from Stefanie Withey-Jones in London. After muting Instagram during pregnancy, she returned to find the algorithm had inferred baby loss from her absence and bombarded her with bereavement content. When that model proved wrong, it pivoted seamlessly to "two under two" parenting content. The whiplash demonstrated something Jaron Lanier argued in his 2018 book Ten Arguments for Deleting Your Social Media Accounts Right Now: the platform doesn't understand you, it models you, and the model serves the platform's engagement metrics, not your wellbeing. Nicky Atkinson in West Sussex offers the most measured counterpoint. She uses social media to share photos with friends and family and values the unexpected resurfacing of old memories. Her distinction is sharp: the problem isn't sharing, it's allowing other people's reactions to determine how much you value your own experiences. This frames the extraction correctly — the platform monetises the gap between experience and validation, and the user who doesn't need external validation extracts less harm. Lanier's framework, cited by Edmondson, remains the clearest articulation of the underlying dynamics. These platforms are behaviour-modification engines. The algorithmic reward structure — optimising for engagement through outrage, comparison, and tribal signalling — creates a systematic misalignment between user wellbeing and platform revenue. Every letter here describes the same structural realisation: the cost of participation was invisible until they stopped paying it. What's notable is the consistency of the recovery arc. Each writer describes an initial period of withdrawal followed by a recalibration of attention — quieter minds, richer present-tense experience, stronger in-person connection. Edmondson organised a pub evening in Hipperholme. Dobie takes photographs for herself. Redden looks out the window on the bus. These are not dramatic life changes. They are returns to baseline human experience that the platform had gradually displaced. The final letter, from Cecilia Scott in Woking, completes the circle with unintentional irony: she replaced social media with a Guardian subscription. The migration from one attention-mediated platform to another — even a curated one — suggests the underlying demand for structured information delivery hasn't disappeared. The question is whether the new pipeline extracts less from its users than the old one did.