Open accessibility guideSkip to sections navigationSkip to contentSkip to footerAdvertisementTechnologyAIData centres are a hot-button issue, but what do they actually do, and why are people worried? Felicity Lewis, Explainer editor, answers all your questions.Updated June 12, 2026 — 12:45pm,first published 12:27pmLoadingLatest in VideosVideo icon2:12Our picks for the 2026 World CupVideo icon0:22US officer shot by fellow cop during ‘horseplay’Video icon0:10Making the leapVideo icon0:23Watch: US police officer accidentally shoots colleagueAdvertisementTwitterFacebookInstagramRSSOur SitesThe AgeThe Sydney Morning HeraldBrisbane TimesWAtodayThe Australian Financial Reviewnine.com.auDriveClassifiedsTributesPlace your adThe AgeContact & supportAdvertise with usNewslettersAccessibility guideSitemapPhoto salesPurchase front pagesContent licensingWork with usTerms of usePrivacy policyPress CouncilCharter of Editorial IndependenceAI Editorial GuidelinesProducts & ServicesSubscription packagesMy accountSubscriber FAQsDelivery statusToday’s PaperGood Food GuideDaily PuzzlesCopyright © 2026Subscribe