Fair wages are important to you, but they're also important to those around you. When you're not being paid fairly, you can assume that others aren't, either. When it comes to getting the correct wages, it's your employer's responsibility to follow the law. If he or she doesn't and violates your rights, you can take legal action.
Social media has revolutionized how people communicate. In some cases, it can help those who live far apart to remain in close contact. In other cases, it can allow one person to sully the reputation and brand of a business or organization with just a few poorly considered comments.