harâ¢binâ¢ger. 1. one that announces or foreshadows the approach of someone or something; forerunner; herald. 2. a person sent in advance of troops, a royal train, etc., to provide or secure lodgings and other accommodations. 3. to act as harbinger to; herald the coming of.
Though many people say that technology is useful and helps society, in reality, technology is unhealthy and can cause social and academic problems.
Disadvantage: Dependency. The more advanced society becomes technologically, the more people begin to depend on computers and other forms of technology for everyday existence. This means that when a machine breaks or a computer crashes, humans become almost disabled until the problem is resolved.