"Technological sophistication" refers to the advancement and complexity of technology. It describes how advanced and advanced a certain technology or system is. Full definition
I would say 20s and early 30s, these are people that are very comfortable on their phones, they have a bit of technological sophistication and their time is precious to them. (onlinepersonalswatch.com)
This will be the first truly global project of ground - based astronomy, an essential development in view of the increasing technological sophistication and the high costs of the front line astronomy installations. (public.nrao.edu)
As you can probably already tell there is a fair amount of technological sophistication (and some dreaded math) underlying how predictive coding works. (exterro.com)