Telephone
...the communication faster, safer and more comfortable. In the past, for communicate with someone, it had to take at least one day or two days for sending the letter by parrots or messengers to someone whom we want to contact with. Moreover, it was too risk because letters could be damaged from many factors such as fire, water, even death of bird. In the present, we can communicate with person whom we want to talk with by telephone. It takes only one or two minute to contact, so telephone is rapidly popular around the world. At this moment, telephone plays an important role in business. Many companies bring the telephone to be one of tools for their business plan. For example, in some advertisement, telephone numbers usually appear in the screen for business purpose. If there were people want to buy the product, they would call for buying it by telephone. SMS is one way that use for the business. It seems to be lik...