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Why tonight's YouGov election poll reveal could be so significant
27 November 2019, 15:13 | Updated: 27 November 2019, 15:22
Last time the YouGov election poll predicted the exact outcome while all other polls did not - and this year's poll is out tonight. Matthew Thompson explains all.
In 2017, this particular poll not only predicted a hung parliament but almost predicted the exact numbers.
Watch as Matthew Thompson explains above how the poll works