(March 8, 2018 at 5:39 pm)emjay Wrote: @CL I've just tested with a new message and it does have the option to delete for everyone... so I think it does indeed have a short window like I suggested and since the person I'm testing with is basically confused (as I've just sent them a message saying 'just testing something' and they've replied along the lines of 'ohhkay'), that shows they've read it, but the option to delete for everyone is still there, so that's further support for the theory that there's a fixed time window of opportunity for deleting for everyone, which unfortunately it looks like you've missed.
Similar to the old AOL-mail system, you could 'unsend' a message to multiple recipients while it was still in the buffer but once it had been read by just one recipient the unsend option is gone.
It's amazing 'science' always seems to 'find' whatever it is funded for, and never the oppsite. Drich.
