Discrimination in the workplace is illegal. It's also despicable and certainly not anything we condone. In an ideal world, the details of our personal lives wouldn't matter nearly as much as our performance and productivity on the job. But the cold, hard truth is employers may still make decisions based upon details of an employee's life.
From judging workers based on Facebook photos to thinking twice about promoting someone with kids or a chronic illness when another employee is free of those obligations or difficulties, there are kinds of potential pitfalls. By revealing some private information to your boss, you could set yourself back when it comes to a raise or promotion.
Obviously every workplace is different and bosses will vary. If you have an understanding manager who sees the value in knowing employees on a personal level, this article probably won't apply to you. But if you're not that lucky, you may wish to keep the following details about your life private if you want to maximize your success.