How much was spent by various 3rd parties on Google Adwords re Leave / Remain, how much traffic was generated by twitter bots, advertising with Google Search partners like YouTube etc.
There is lots of areas of the voting landscape that has changed that the electoral commission has no control over.
Officially there was just about 10 main donors to the 2 sides , Lord Sainsbury (appointed Lord by Blair) donated 4.2 million according to the independent -
https://www.independent.co.uk/news/u...-a7348321.html
Peter Hargreaves gave the out mob 3.2 million
To me it is a much of a muchness, most people I know formed their opinion by watching the TV debates
Here is a copy of the top 10
David Sainsbury (Remain) 4,223,234
Peter Hargreaves (Brexit) 3,200,000
Better for the Country (Brexit) 2,060,375
Jeremy Hosking (Brexit) 1,691,296
Diana Van Nievelt Price (Brexit) 1,000,000
Trailfinders Limited (Remain) 1,000,000
David Harding (Remain) 1,000,000
International Motors Ltd (Brexit) 850,000
Mark Coombs (Remain) 750,000
J C Bamford Excavators Ltd (Brexit) 670,000