My 80yo father switched 4 months ago to Linux (PopOS) and is happy after I showed him how he can access gmail, Word (Office 365 Word in Chromium) and his photos

My 80yo father switched 4 months ago to Linux (PopOS) and is happy after I showed him how he can access gmail, Word (Office 365 Word in Chromium) and his photos. After he learned he didn't have to install a printer driver but could just print (and scan), he asked me why I didn't tell him earlier.