Old connections can still be helpful even if they don't know your current skills as long as they can assess what kind of worker you are. I've personally recomm

Old connections can still be helpful even if they don't know your current skills as long as they can assess what kind of worker you are. I've personally recommended people I worked with 17 years ago because I can remember how valuable they were with no consideration given to current specific skills. I currently regularly speak with 3 people I worked with over 20 years ago and check in annually with another half dozen or so. If you don't keep any connections with your previous colleagues then you are self limiting your career options. But the second best time to plant a tree...