Here is the Internet Index annotated with sources and the directory of all editions.
Number of daily newspapers with Internet mail addresses: 54
Number of TV and radio stations with Internet mail addresses: 62
Percentage of PCs using TCP/IP in 1993: 3.9
Sales of PC TCP/IP products in 1993: $272 million
Number of daily comic strips that regularly include an e-mail address: 2
(The strips are "Dilbert" by Scott Adams -- scottadams@aol.com -- and "Frank and
Ernest" by Bob Thaves -- FandEBobT@aol.com)
Average number of megabytes of USENET news, per day: 172
Estimated number of USENET sites: 180,000
Estimated number of readers of news.announce.newusers: 800,000
Estimated worldwide disks space used by USENET news: 61 terabytes
Number of lawsuits over use of trademarks in domain names: 2
Number of Internet retailers purchased by Home Shopping Network: 1
Average time between new network connections: 30 minutes
Number of countries connected by IP: 75
Number of countries connected by electronic mail: 152
Number of subscribers to BITNET mailing lists: 1 million
Number of subscribers to BITNET list for David Letterman's Top Ten
Lists: 18,000
Number of PGP keys in the MIT public key server: 6398
Number of CommerceNet Sponsors: 53
Number of Commercial Internet Exchange members: 85
Number of commercial domains registered between July 15 and August 15: 1401
Number of advisories issued by the Computer Emergency Response Team (CERT): 98
Number of Internet access providers (U.S.): over 100
Number of cable television companies providing Internet access: 1
Percentage of US public libraries offering Internet searches by staff: 21
Number of state consumer affairs agencies with Internet connections: 1
Number of domains registered to Fidelity Investments and related companies: 15
Number of Internet Request for Comments documents (RFCs): 1697
Percentage written by Jon Postel (some with collaborators): 10
Number issued so far in 1994: 135
Number of telephone calls handled by AT&T on a normal business day: 175 million
Number of telephone calls handled by AT&T on 17 January 1994 (the day of the Southern California earthquake): 204.7 million
"Harper's Index" is a registered trademark of Harper's Magazine Foundation. Copyright 1994 by Win Treese. Send updates or interesting statistics to treese@OpenMarket.com.
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