The rivalry of these competing cloud services may be driving their development, but the compatibility is another way that customers can benefit such as The Telegraph are benefiting from their services.
"Predominantly we use G-Cloud for the services and we tend to use Amazon for infrastructure," said Telegraph CTO Toby Wright. "We tend to use the best thing for the job and both of those public clouds are flexible enough to allow you to do that.
The improved latency will help his company with issues such as advertising loading and third party component performance by letting them rapidly detect and fix issues in real-time.
Karen Bradley, the Secretary of State for Digital, Culture, Media and Sport, said the launch was evidence of the private sector's belief in London's ability to remain a leading global tech hub after Brexit.
"Google's decision to choose London for its latest Google Cloud Region is another vote of confidence in our world-leading digital economy and proof Britain is open for business," she said.
"It's great, but not surprising, to hear they've picked the UK because of the huge demand for this type of service from the nation's firms.
"Earlier this week the Digital Evolution Index named us among the most innovative digital countries in the world and there has been a record £5.6bn investment in tech in London in the past six months."
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