Recent research conducted in four major national markets (the US, the UK, Canada and Germany) indicates that the awareness and uptake of Black Friday is more than alive and well in all of them. For example, 54% of UK respondents took part in it last year, compared to 19% in 2015. This study also shows that techies tend to enjoy this event online.
https://www.notebookcheck.net/Black-Friday-Cyber-Monday-definitely-an-international-thing-now.338022.0.html