81.  Though we cannot evolve into robots, we can invent more robots to us for our service and focus on the development of Intelligent Technology.

82.  The first paragraph introduces to us that an E-mail is sent by an Internet service provider and the provider will send the E-mail to an Internet "backbone provider, then the "backbone provider" will send the mail to the address you want to send.

83.  And it becomes what it is currently when companies set up internet backbone services which are run commercially.

84.  So here we are in the electronic age, happily sending e-mails to our friends, chatting away in the service forum with buddies who share interests with us and get world-wide news in time every day.

85.  Customers make a telephone call to a local Internet service provider which gives residential and small-business users access to the Internet.

86.  Sending e-mails on the Internet depends on Internet service provider and backbone provider which own the communications gear and long-haul fiber-optic cables.

87.  Time passing by, commercial Internet backbone services have been setting up by many companies when the NSFNET was privatized.

88.  You can use a local internet provider to send a E-mail to a friend who use a diverse kind of local internet service provider.

89.  As you and your friend do not use the same variety of internet service providers, the E-mail cannot be delivered directly so it is going to be sent to backbone providers which are connected to each other for customers to exchange their information.

90.  Education, medical service, transportation, let alone the primary terms such as sunshine and water.