This sentence is, if you like, a very short story. But it's also timely. How many sly references to current/upcoming observances can you spot?
I was hoping some of you would either (1) have had this experience or (2) be primed by the ¯\_(ツ)_/¯ at the end of my solution to the previous puzzle, but it seems this puzzle could have used some more explicit clues!
Solution
This goofy photo is the illustration from the Wikipedia page Shrug. As such, it is also shown on the front page of Google results for shrug. I perform this search frequently when I want a ¯\_(ツ)_/¯ to copy and paste.
Congratulations to yesterday's solvers Jason and the Greggs, and honorary credit to those who saw the puzzle and simply… shrugged. Thanks to everybody who made a guess!
Ten years later, Dr. Shapiro revived Puzzle of the Day at Proof School, writing each day's puzzle on a name tag. After 600 puzzles or so, he was just starting to feel normal about students reading his chest all the time when campus closed and the puzzle, like the rest of our lives, moved online. New puzzles are posted daily on school days.
Want to catch up on old PotDs? There's an archive currently containing puzzles from March to December 2020.