A UK Government advisor, a former Brexit Party MEP and an Express journalist linked to social media anti-SNP 'dark money campaigns.'
Ferret Fact Service looks at a viral claim that Scotland spent £125,000 coming up with the slogan 'Welcome to Scotland'.
The British Army has been criticised for targeting online recruitment adverts at young, risk-taking, working class Scots suffering the "January Blues".
Facebook has new transparency rules on political ads. But in the last week pro-Brexit groups have spent tens of thousands pushing No Deal - without having to explain who pays for them.