If the solution is as simple as downloading a VPN app from the smartphone app store and clicking “activate VPN,” I wouldn’t consider it tech-savvy territory. In the past, VPNs were indeed esoteric tech for nerds, but nowadays they’re commoditized stuff. And if Brazil’s regime keeps getting more repressive under the dictator, with the blocking of more social media sites, more people will have the opportunity/necessity to learn about VPNs.