1. Advantages: convenient and fast: people can communicate with customers anytime and anywhere through online letters, and get information and answer questions quickly without time and geographical restrictions. Low cost: using online consultation usually does not need to pay expensive telephone or transportation fees, which can save a lot of costs.
2. Disadvantages, low communication efficiency: Compared with face-to-face communication, online communication efficiency is low, and it may take many round-trip communication to solve the problem. Unable to convey emotions: online letters can only communicate through words, but can't convey emotions and expressions, which easily leads to misunderstandings and communication obstacles.