This one thing has brought life to every tech trick in my How To column at Copyediting.com.
I’ll share my latest greatest efficiency tip in the Aug–Sept 2017 Copyediting Newsletter. Spoiler: it’s a dead-simple, automated way to track changes in PowerPoint files.
I swear there is an identical photo of me doing this, somewhere in a family album. This photo, however, is by Sherif Salama, used under CC BY-2.0 license.