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From: reid@decwrl.UUCP (Brian Reid)
Newsgroups: news.lists,news.groups
Subject: TOP 40 NEWSGROUPS IN ORDER BY PER-READER COST (DEC 86)
Message-ID: <7315@decwrl.DEC.COM>
Date: Thu, 1-Jan-87 11:09:37 EST
Article-I.D.: decwrl.7315
Posted: Thu Jan  1 11:09:37 1987
Date-Received: Thu, 1-Jan-87 22:13:29 EST
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Organization: DEC Western Research Laboratory, Palo Alto, Calif., USA
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Xref: mnetor news.lists:25 news.groups:111

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)
       |     |     |      |     |      +-- Participation ratio
       |     |     |      |     |      |    +-- Cost ratio: $US/month/reader
       |     |     |      |     |      |    |       +-- Share: % of newsreaders
       |     |     |      |     |      |    |       |   who read this group.
       V     V     V      V     V      V    V       V
  1  3500   294   88%   754 2821.1   215   3.20    2.5%  comp.sys.amiga
  2  2200   184   87%   414 1433.1   188   2.60    1.5%  talk.religion.misc
  3  3500   298   88%   372 1918.1   106   2.20    2.5%  comp.sys.atari.st
  4  1900   160   88%   242  808.0   127   1.70    1.3%  talk.abortion
  5  1800   148   75%   247  652.5   137   1.50    1.2%  rec.arts.comics
  6  7600   640   96%    81 2590.7    10   1.40    5.4%  mod.mac.binaries
  7  2900   245   88%   428 1038.3   147   1.40    2.1%  talk.politics.misc
  8  3400   286   76%   557 1019.7   163   1.20    2.4%  rec.arts.startrek
  9  1800   155   88%   134  524.0    74   1.20    1.3%  talk.origins
 10  8100   684   88%   944 2142.4   116   1.10    5.8%  soc.singles
 11  1400   116   74%   130  333.1    92   0.95    1.0%  rec.ham-radio
 12  3300   279   87%   285  775.2    86   0.94    2.3%  soc.motss
 13  1600   133   74%   212  351.4   133   0.88    1.1%  rec.aviation
 14  2800   232   92%   190  594.8    67   0.85    2.0%  soc.culture.indian
 15  2700   230   92%   200  558.3    74   0.83    1.9%  soc.culture.jewish
 16   960    81   76%   144  186.6   150   0.78    0.7%  rec.music.gdead
 17   950    80   74%    22  176.6    24   0.75    0.7%  rec.ham-radio.packet
 18  4000   333   79%   305  707.1    76   0.71    2.8%  rec.arts.sf-lovers
 19  1500   128   88%    55  252.5    37   0.68    1.1%  comp.sys.atari.8bit
 20  2700   226   89%   171  450.4    63   0.67    1.9%  mod.music.gaffa
 21  2600   221   89%   190  431.9    73   0.67    1.9%  comp.sys.apple
 22  2500   206   77%   278  408.8   111   0.66    1.7%  rec.music.misc
 23  2200   189   89%    64  295.5    29   0.54    1.6%  talk.philosophy.misc
 24  1900   160   72%   124  241.8    65   0.51    1.3%  rec.sport.football
 25  2600   216   74%   195  295.4    75   0.46    1.8%  rec.video
 26  4700   396   75%   305  489.4    65   0.42    3.3%  rec.arts.movies
 27  1100    93   73%    52   99.8    48   0.36    0.8%  rec.arts.tv.soaps
 28  3800   317   58%    15  329.3     4   0.35    2.7%  news.lists
 29 28000  2334   94%    95 2355.2     3   0.34   19.6%  net.sources
 30  7500   631   89%   367  627.0    48   0.34    5.3%  comp.sys.ibm.pc
 31  3200   270   92%    12  270.7     4   0.34    2.3%  mod.politics.arms-d
 32  1700   142   76%    60  139.8    35   0.33    1.2%  rec.games.frp
 33  6900   579   89%   314  540.9    45   0.31    4.9%  comp.lang.c
 34  5700   476   88%   191  425.5    33   0.30    4.0%  soc.women
 35  2000   172   86%    24  151.2    12   0.30    1.4%  mod.religion.christian
 36  1300   112   74%    50   95.7    38   0.30    0.9%  rec.motorcycles
 37 15000  1265   93%    47 1101.4     3   0.29   10.6%  net.sources.games
 38  6000   504   88%   297  422.8    49   0.28    4.2%  talk.bizarre
 39  4000   334   76%   162  281.9    40   0.28    2.8%  rec.audio
 40  1900   156   74%    97  132.7    51   0.28    1.3%  rec.arts.drwho