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 "id": "cloud",
 "voice": "Kokoro bm_george",
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       "t": "The cloud isn't a cloud.",
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       "t": "Before, Doña Carmen would have needed her own server in the back room.",
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       "t": "Inside, rows and rows of racks.",
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       "t": "Each rack holds dozens of servers.",
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       "t": "And each server is just a computer: a brain, memory, and storage.",
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      {
       "t": "One big server gets sliced into many small, private computers.",
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      {
       "t": "Her bakery gets one slice.",
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      {
       "t": "A clinic in Ponce gets another.",
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       "t": "They never see each other.",
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       "t": "At Christmas, when everyone wants pan for the parranda, she rents more slices for a few days.",
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      {
       "t": "Then she gives them back.",
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      {
       "t": "These buildings sit in clusters around the world, called regions.",
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       "t": "Inside each region, several separate buildings back each other up, so one blackout doesn't take her bakery down.",
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       "t": "She can rent just the empty space, or a whole kitchen, ready to cook.",
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       "t": "A database that runs itself.",
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       "t": "Storage that never fills up.",
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       "t": "Even AI, paid by the question.",
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       "t": "The landlord guards the building.",
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       "t": "She still has to lock her own door: passwords, data, and who gets a key.",
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      {
       "t": "One question left.",
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      {
       "t": "When the app changes, a new button, a new price, how do they change it without closing the bakery?",
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       "t": "Cloud computing is on-demand access to shared compute, storage and networking, created through APIs and billed by use.",
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       "t": "On premises, you buy hardware for your busiest day, wait weeks for it to arrive, and own the power, the cooling, the patching and every failure.",
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      {
       "t": "Most of the year, that capacity sits idle.",
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       "t": "A data center is power, cooling and connectivity at industrial scale.",
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       "t": "Redundant power feeds, generators, batteries and chillers, and halls of racks wired together with very fast networks.",
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       "t": "Each rack holds dozens of servers: processors, memory, fast flash storage, network cards, and, for AI, GPUs and other accelerators.",
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      {
       "t": "A hypervisor carves a physical machine into virtual machines.",
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      {
       "t": "Containers go further, sharing one operating system kernel while keeping processes isolated.",
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      {
       "t": "Kubernetes schedules those containers across a whole fleet.",
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      {
       "t": "Isolation is the product.",
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    {
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      {
       "t": "That's elasticity.",
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      {
       "t": "Autoscaling adds instances when load rises, and removes them when it falls.",
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      {
       "t": "You pay for what runs, not for your worst day.",
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     ]
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    {
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       "t": "Providers group data centers into regions, each with several availability zones: separate facilities, with independent power and networking.",
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      {
       "t": "Spread across zones for resilience.",
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       "t": "Across regions, for disaster recovery.",
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    {
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     "lines": [
      {
       "t": "The menu runs from infrastructure as a service, raw machines and networks, to platform services like managed databases and serverless functions, to software and AI models consumed through APIs.",
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      {
       "t": "The higher you go, the less you operate.",
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     ]
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    {
     "id": "c8",
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      {
       "t": "It's a shared responsibility.",
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      {
       "t": "The provider secures the buildings, the hardware and the hypervisor.",
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      {
       "t": "The customer secures identities, configuration, data and code.",
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      {
       "t": "Many breaches start with a misconfigured setting, not a broken data center.",
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     ]
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    {
     "id": "c9",
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     "lines": [
      {
       "t": "One question left: how changes reach production safely.",
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      },
      {
       "t": "Next: CI and CD.",
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     ]
    }
   ]
  }
 }
}