I hear about UFOs (UnFinished Objects), and have a few from my quilting projects, but now I can go back even further. I have come across some embroideries that are waiting for the borders to be put on ... and have been waiting for a good 35 years!
I wasn't that keen to learn crocheting at the time although I did make a poncho that I wore to the footy for years. Lots of granny squares. Not that I do any crocheting anymore - but I used to know how to do it.
Actually, I did the crocheting on some of the pieces here.