Control involves monitoring activities to ensure plans are followed and deviations are corrected. It is linked to planning, with controls ensuring plans are implemented properly. The purpose of controls is to measure performance against goals and standards at the organizational, divisional, departmental, and individual levels and take corrective action when needed. Managers use a variety of methods like observations, reports, and meetings to measure information, operations, finances, and people. Effective control systems are proactive, flexible, timely, and cost-effective. Contemporary issues in control include the balance between an employer's right to monitor employees and protect private lives, as well as addressing problems like employee theft which is often an inside job.