Merit and Demerit
of
Information Technology
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Transmission of information

Prologue

Figure of Internet has been changing by development of communication's technology.

General users used to be recipients of information, and senders were the people who have technical knowledge or facility for sending.

But development of communication's technology brought general users to send information easily without need of them.

Therefore, today, ways to send message - blog, twitter, etc. -, movies and files are developing explosively by many services which help to send information.

But what is convenient usually has much problem. These services are not exception: they have much problem. Their level is not only personal but also international.

We will show why such problems occur in this chapter by three themes: "About blog-twitter", "About P2P (Peer to Peer)", "About video site".

  • To Theme "About blog-twitter"
  • To Theme "About Peer to Peer (P2P)"
  • To Theme "About video site"