At my school (in the mid-'90s) it was the same thing, but with whiteboards. You'd affix a cheap little whiteboard and non-permanent marker to your door, and people who came by would leave you messages. Then at day's end you'd come back, read the messages, and wipe the board clean for tomorrow.
It strikes me now how much those little whiteboards prefigured social media. Some people used them to leave status updates, like we do today on Facebook -- you'd write how you were doing today or where you were going to be later at the top of your board. And others (like me) used them like Twitter, as a place to leave little jokes for others to come by and read.
It strikes me now how much those little whiteboards prefigured social media. Some people used them to leave status updates, like we do today on Facebook -- you'd write how you were doing today or where you were going to be later at the top of your board. And others (like me) used them like Twitter, as a place to leave little jokes for others to come by and read.