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From: reid@decwrl.dec.com (Brian Reid)
Newsgroups: news.lists,news.groups
Subject: TOP 40 NEWSGROUPS IN ORDER BY PER-READER COST (SEP 89)
Message-ID: <211@apostrophe.dec.com>
Date: 1 Oct 89 13:06:57 GMT
Sender: reid@decwrl.dec.com
Organization: DEC Western Research Laboratory, Palo Alto, Calif., USA
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Approved: reid@decwrl.dec.com

TOP 40 NEWSGROUPS IN ORDER BY PER-READER COST
A companion posting explains the statistics and the algorithms that produced
them.

       +-- Estimated total number of people who read the group, worldwide.
       |     +-- Actual number of readers in sampled population
       |     |     +-- Propagation: how many sites receive this group at all
       |     |     |      +-- Recent traffic (messages per month)
       |     |     |      |     +-- Recent traffic (kilobytes per month)
       |     |     |      |     |      +-- Crossposting percentage
       |     |     |      |     |      |    +-- Cost ratio: $US/month/reader
       |     |     |      |     |      |    |       +-- Share: % of newsreaders
       |     |     |      |     |      |    |       |   who read this group.
       V     V     V      V     V      V    V       V
  1  3800   173   85%   628 1284.5     0%  0.52    0.7%  misc.handicap
  2 13000   565   94%   121 3764.8     3%  0.50    2.4%  comp.binaries.atari.st
  3  4300   195   66%   266 1466.2     0%  0.41    0.8%  misc.headlines.unitex
  4 10000   453   88%   109 2450.8     0%  0.40    1.9%  comp.mail.maps
  5  4700   213   67%   660 1475.6     7%  0.39    0.9%  talk.politics.guns
  6  6900   311   81%   733 1724.0     0%  0.37    1.3%  talk.abortion
  7  9200   414   81%   858 2209.4     1%  0.36    1.8%  talk.religion.misc
  8  7800   354   79%   748 1834.8    16%  0.34    1.5%  talk.politics.mideast
  9 11000   478   85%  1275 2331.3     1%  0.33    2.0%  rec.sport.football
 10 11000   490   93%   686 2008.6     2%  0.31    2.1%  rec.games.frp
 11  4800   217   81%   298  916.9     8%  0.28    0.9%  talk.origins
 12  1500    66   50%   347  462.9     0%  0.28    0.3%  alt.cosuard
 13  4400   197   82%   192  788.9     0%  0.27    0.8%  soc.religion.christian
 14  3800   171   46%   617 1215.2     3%  0.27    0.7%  soc.culture.taiwan
 15 15000   699   84%  1163 2406.4     3%  0.25    3.0%  soc.motss
 16 13000   583   88%   837 1995.9     0%  0.25    2.5%  rec.aviation
 17 12000   545   86%   995 1920.3     2%  0.25    2.3%  rec.arts.comics
 18 13000   577   85%  1208 2044.7     1%  0.24    2.5%  rec.sport.baseball
 19 12000   549   96%  1052 1565.4     1%  0.23    2.3%  comp.sys.apple
 20 11000   476   59%   911 2304.1     8%  0.23    2.0%  sci.skeptic
 21  4900   221   93%    67  659.2     0%  0.23    0.9%  rec.games.go
 22 24000  1086   86%  1292 3336.6     2%  0.22    4.6%  rec.arts.startrek
 23  5600   254   94%   366  716.9     0%  0.22    1.1%  rec.music.gaffa
 24  1000    47   68%     2  174.3     0%  0.22    0.2%  rec.mag.fsfnet
 25 11000   474   93%   740 1368.2     6%  0.21    2.0%  rec.music.gdead
 26  8400   378   87%   593 1093.6     1%  0.21    1.6%  rec.motorcycles
 27 16000   725   97%   399 1829.7     0%  0.20    3.1%  comp.os.minix
 28 15000   661   96%   777 1727.5     2%  0.20    2.8%  comp.os.vms
 29  5300   241   93%   106  625.0     7%  0.20    1.0%  rec.games.pbm
 30 20000   921   82%  1045 2569.5    16%  0.19    3.9%  talk.politics.misc
 31 14000   641   93%   718 1573.1     4%  0.19    2.7%  rec.ham-radio
 32  4400   198   91%    25  497.5     0%  0.19    0.8%  comp.binaries.apple2
 33 12000   546   85%   709 1408.9     0%  0.18    2.3%  rec.arts.tv.soaps
 34  5800   263   62%   481  897.6     5%  0.18    1.1%  soc.culture.hongkong
 35  4700   214   80%   213  580.3     5%  0.18    0.9%  talk.politics.theory
 36 30000  1336   83%  1791 3239.7    12%  0.17    5.7%  soc.singles
 37 26000  1186   90%   978 2672.2    10%  0.17    5.1%  soc.culture.china
 38 25000  1140   95%    85 2447.2     0%  0.17    4.9%  comp.binaries.mac
 39 15000   663   97%   573 1398.7     0%  0.17    2.8%  comp.dcom.telecom
 40  6300   286   94%    65  626.9    20%  0.17    1.2%  sci.med.aids