When Manchester United signed Angel Di Maria from Real Madrid for a then-British record transfer fee of £59.7 million in August 2014, research done by the club found that Google activity relating to the Argentine shot up by 1,111% on the day of his transfer compared to when he completed his move from Benfica to the Bernabeu four years earlier.
The same data also showed that searches for Radamel Falcao, on the day he sealed a loan move to United from Monaco, increased by 909% in comparison...
There are several weeks left in the 2019 summer transfer window, but all of Europe's top clubs have a lot of shopping and selling left to do before they can consider themselves ready for the new campaign.
With that in mind, we asked ESPN FC's experts to canvass the big teams and get a sense of their to-do lists over the next two months. What's the biggest thing they need to tackle? Which one player could make the difference? And which players should be sold in order to make room?
Antoine Griezmann will have plenty of suitors now he's announced his departure from Atletico Madrid this summer: Manchester United tried hard to sign him in 2017 but need him now more than ever, while he would amplify the trophy chances of PSG, Juventus, Bayern Munich and Real Madrid without any question.
Even if you are cynical about a guy who drew out the "is he or isn't he?" saga for an eternity a year ago before using the daft "The Decision" video to announce that he wasn't going anywhere, you...
The transfer window for Europe's biggest clubs is set to open soon. Find out when here and rest assured that Transfer Talk will continue to scour the world's media and set correspondents loose to see what's on the agenda for the summer.
TOP STORY: Man City to reel in Rodri and break transfer record
The Telegraph reports that Manchester City are ready to smash their transfer record by spending more than £60 million on Atletico Madrid midfielder Rodri.