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

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

23.  It is a collection of various services and resources.

24.  Besides, they tend to \

25.  Now the government privatize the backbone provider services which link together to provide the global connectivity.

26.  They are changing from a government-run system to commercial Internet services.

27.  When the government privatized the NSFNET, companies stepped into the breach by setting up commercial Internet backbone services.

28.  With time going on, the internet was privatized and more companies got into this field by setting up commercial backbone services.

29.  We have families and friends; we are all occupied by others; and we are accustomed to consume a variety of products and services every day.

30.  But if we were isolated, which means there will be no communications with families and friends, no products, no services, no information from the outside world at all, what can we do?