To change who you are. You can change how you want to present yourself to the world by changing your LinkedIn profile. Do you want to depict yourself as a veteran writer? Change agent? Accomplished editorial manager? It’s kind of like writing a resume, you craft your profile into whatever you want or need it to be. If you decide you don’t like the first version you come up with, it’s very simple to redo it. I would recommend that while you’re tinkering with your profile, turn off the notification settings in the My Account section so your connections aren’t notified every time you make a change, that would get pretty annoying! If you’re struggling for ideas, look at what other writers have used as their profiles and steal from the ones you like the best. You know what they say about imitation…