LinkedIn is very useful to keep a list of past and current colleagues and touch base with them in case you need to. Instead of deleting my LinkedIn account to

LinkedIn is very useful to keep a list of past and current colleagues and touch base with them in case you need to. Instead of deleting my LinkedIn account to get rid of recruiter spam, I deleted my entire history. My profile is just my name and my photo. That way I can expand my network of colleagues without getting bombarded with spam. I highly recommend doing this!