Users of Computer Communications �
2022.06.29
전길남
Chon Kilnam
KAIST
2022 KR4050 Workshop 2021.11.20rev2022.07.01
Table of Contents
1. User Migration
2. Timeline
3. User Population; Internet, PC통신, Mobile Phone
4. Remarks
5. Issues
References
Appendix Timelines;
Mobile Phone
PC통신
Internet
Appendix Internet Users
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1. User Migration in Korea
Internet Users PC통신 Users Mobile Phone Users
1982~ 1984~ (more users?)
1996(CDMA)
(1997 Daum, Naver) 1997~(To Internet,Phone) 1997(CDMA SMS)
2000s PC통신 Phased Out
(2007 Smartphones)
(2010 KakaoTalk) 2010s~ Partially to Phone
IoT (Non-Human Users)
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2. Timeline; 한국 and (World)
1970s (Message/Email, Bulletin Board Systems)
1982 IPv4 Internet in South Korea
1983 UUCPNET & USENET News in South Korea�1983 AOL (and CompuServe, Prodigy in 1980s)
1984 천리안(Chollian) by 한국데이터통신 (PC통신)
1992 (Short Message Service by GSM)
1994 상용 Internet Services in South Korea; KT, Dacom, INET
1997 Hanmail by Daum (web-based application)
1997 CDMA SMS Started
2009 (Instant Messaging Service by Whatsapp)
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3. User Population; Internet, PC통신, Mobile Phone
1994
140,000 Total Internet Users in South Korea [World Bank]
10,000 Commercial Internet Users in South Korea [NIA]
1997
1.7 million Total Internet Users in South Korea [World Bank]
1 million Total Internet Users in South Korea [NIA]
3 million PC 통신 Users in South Korea [NIA]
2000
27 million Mobile Phone Users in South Korea [ITU]
19 million Internet Users in South Korea [Internet World Stats]
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4. Remarks
1. Korean language support:
- Internet did not support Korean language well initially � (before commercial ISPs started)
- PC 통신 supported Korean language from the beginning.
2. PC 통신 users started to migrate to the Internet and mobile phones � from the late 1990s.� PC통신 services were closed down in the 2000s.
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5. Issues
1. Need good statistics of mobile phone, PC통신, and Internet in the� 20th century.
2. Keyboards
- Full keyboard
Full (Qwerty) keyboard is commonly used in western world.
- Keypad (10-keys)
Commonly used in Asia (Korea, Japan,…) for local scripts.
3. Why was PC통신 popular in Korea in 1990s, but phased out early in � 2000s?
4. Did PC통신 users migrate more to Internet, or mobile phones?
5. Many Internet users in Asia migrated to smartphone in the 2010s.
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References
Asia Internet History, Chapters 3 and 4, First Decade (1980s), 2013.
Kilnam Chon, Users of computer communications in the 20th Century (article), 2022.6.3.�DongA Science, Mobile service, 2020.
Internet World Statistics, 2022.
Korea Internet History, Year Table, 2021.
NIA, Internet and PC 통신 Population, Korea Internet History, 2021.�ITU, Mobile phone subscriptions, 2022.
World Bank, Internet population, 2021.
EN.Wikipedia; Short Message Service, Instant Messaging, and BBS, 2021.
KO.Wikipedia; PC통신, 무선호출기, 휴대전화, and SKT, 2021.
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Appendix Timelines
A1. Mobile Phone
A2. PC 통신
A3. Internet
Remark: (event in blue) implies a global event
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Appendix A1 Timeline – Mobile Phone
1982 무선호출기(삐삐, Pager)
1983 (Motorola phone)
1983 (Short Messaging Service - GSM)
1984 한국이동통신서비스 (🡪1994 SK Telecom)
1984 Short Messaging Service
2007 (iPhone)
2008 Smartphones in South Korea
2010 5 Million Smartphone users
2010 Kakao Talk
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Appendix A2 Timeline – PC통신
1983 AOL (and CompuServe, Prodigy and others in 1980s)
1984 천리안
1988 천리안 – 상용 service
1997 3 million PC통신 users�2000s PC통신 phase out
Remark: Need data on PC 통신 user‘s migration to Internet, and � mobile phone in 1990s and 2000s.
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Appendix A3 Timeline - Internet
1969 (Internet with NCP)
1971 (Email with @)
1980 (USENET News)
1982 IPv4 Network in South Korea
1983 USENET News in South Korea
1990 (WWW)
1993 Website in South Korea
1994 Commercial Internet Service Provider (ISP) in South Korea
1997 1 million Internet users in South Korea
1997 Hanmail – web-based email
1997 Search service (Naver) – web-based service
2000 21 million Internet users in South Korea [World Bank]
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Appendix Internet Users in South Korea
Internet Users Population Internet Users
(% of Population)
1990 0.023 42869283 9,860
1991 0.046 43295704 19,912
1992 0.098 43747962 42,430
1993 0.250 44194628 110,487
1994 0.311 44641540 138,835
1995 0.82 45092991 369,763
1996 1.624 45524681 739,321
1997 3.601 45953580 1,656,479
1998 6.782 46286503 3,139,151
1999 23.552 46616677 10,979,160
2000 44.700 47008111 21,012,626
[Source: data.worldbank.org, 2021; Individuals using Internet, Population]
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