The fastest ever broadband speeds have been achieved in a recent test in London.
Alcatel-Lucent and BT said speeds of 1.4 terabits per second were achieved during the test - enough to send 44 uncompressed HD films a second.
The breakthrough is being seen as highly important for internet service providers, as it means a greater amount of information can be sent through existing broadband infrastructure, reducing the need for upgrades.
Chief executive of broadband analyst firm, Point Topic said: "BT and Alcatel-Lucent are making more from what they've got.
"It allows them to increase their capacity without having to spend much more money."
It may however, be a while before consumers notice any difference.
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