The Internet was first put into the commercial use since
1994, and in just a dozen years, various information and
network technology, which promote the rapid development
of the Internet, have emerged in endlessly, and the network
era is upgraded from the original web1.0 to today's Web3.0.
Figure 1,[1]The application of Internet technology has
changed the way of information distributing and receiving,
and it also changed people’s environment of living, working,
studying and communicating. We could even say that we
have entered the Information Age.