In Temple, Texas, something is growing like gang busters in fields once belonging to farmers. Data centres. Lots of them. But not everyone is happy about the new neighbours. While the mayor claims they will help raise property values, many residents worry about the impact big tech will have on their family homes. Matt Galloway headed to Temple to hear the tale of two futures: one of prosperity and innovation and another of excess pollution, sprawling buildings, and a hum that never shuts off.