But what if knowing lets you make moves that improve your salary (if you are on the lower end) or encourage your coworkers to ask for a raise (if you are on the

But what if knowing lets you make moves that improve your salary (if you are on the lower end) or encourage your coworkers to ask for a raise (if you are on the higher end)? I started out making 10% more than what I was initially offered since I knew what coworkers with similar experience made and asked for that amount. And I know what coworkers with much more experience (10+ years to my 2 years) make, so I can gauge whether I am on the right track.