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Researchers at the University of Liverpool previously found that Google searches can be a good way to predict movements in financial markets, and they believe this theory can be applied to politics as well.
At the moment, Google Trends shows that Conservative leader hopeful Rory Stewart is more popular than Boris Johnson.
Professor Costas Milas, of the University of Liverpool's management school, thinks there is a good chance that the pound could rebound.
"I assume that Conservative MPs will vote based on the ability of candidates to capture the public sentiment and bring votes to the party. This is definitely the case with Rory Stewart who has a clear view against no-deal Brexit," he said.
"If Rory goes through this evening, sterling will bounce back up."
Political Correspondent Nick Eardley looks ahead at the debate between the Tory MPs hoping to become PM.
BBC Radio Devon
The latest Devon MP to declare support for one of the Tory leadership contenders is South West Devon's Sir Gary Streeter, who has joined Torbay MP Kevin Foster in backing Sajid Javid.
Other local conservative MPs Central Devon's Mel Stride and Tiverton & Honiton's Neil Parish have said they are supporting Michael Gove.
Newton Abbot's Anne Marie Morris is behind Dominic Raab.
Plymouth Moor View's Johnny Mercer is supporting Boris Johnson, as is Torridge and West Devon MP Geoffrey Cox,
Mr Cox introduced Mr Johnson when the former foreign secretary and mayor of London launched his leadership campaign.
Technology desk editor
Comedian Francesca Martinez has spoke out on the BBC's Question Time programme about the deaths of "over 130,000 human beings" since the government started austerity in 2010.