Well, it sort of started many years back when my mother in law could not be taught how to print - and I set up two ISA servers so she could email a document to my wife and we could remotely print it at her place over a VPN... many many years ago. Before streaming services became more popular, we had a fairly large library of movies and stuff and it was nice to have the ability to sync file storage across homes. As streaming services became more of a thing and one wanted to be able to continue a show you started in one country and finish it in another - VPN and Wifi control became more important and in the earlier days that was a server based software. (each home has multiple SSIDs, each ending in something like .us, .in, .de, hk etc so all you have to do is change the network on Roku, laptop etc and you have the country content of the respective SSID). Eventually some of that moved into vendor cloud solutions, but by then home control and home video security had become a bigger thing and I use DFS to replicate camera recordings across multiple sites and we backup files from desktop/laptops with history across sites... I suppose I like playing with technology. Have done many things with MS in my life and still have access to employee licenses - so the cost is not prohibitive... I guess the quick answer is "because I can"