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   4 >Privoxy Copyright, License and History</TITLE
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  72 CLASS="SECT1"
  73 ><H1
  74 CLASS="SECT1"
  75 ><A
  76 NAME="COPYRIGHT"
  77 ></A
  78 >9. Privoxy Copyright, License and History</H1
  79 ><P
  80 > Copyright © 2001 - 2006 by Privoxy Developers <TT
  81 CLASS="EMAIL"
  82 >&#60;<A
  83 HREF="mailto:ijbswa-developers@lists.sourceforge.net"
  84 >ijbswa-developers@lists.sourceforge.net</A
  85 >&#62;</TT
  86 ></P
  87 ><P
  88 > Some source code is based on code Copyright © 1997 by Anonymous Coders
  89  and Junkbusters, Inc. and licensed under the <I
  90 CLASS="CITETITLE"
  91 >GNU General Public
  92  License</I
  93 >.</P
  94 ><DIV
  95 CLASS="SECT2"
  96 ><H2
  97 CLASS="SECT2"
  98 ><A
  99 NAME="AEN1220"
 100 ></A
 101 >9.1. License</H2
 102 ><P
 103 > <SPAN
 104 CLASS="APPLICATION"
 105 >Privoxy</SPAN
 106 > is free software; you can
 107  redistribute it and/or modify it under the terms of the
 108  <I
 109 CLASS="CITETITLE"
 110 >GNU General Public
 111  License</I
 112 >, version 2, as published by the Free Software Foundation.</P
 113 ><P
 114 > This program is distributed in the hope that it will be useful, but WITHOUT
 115  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 116  FITNESS FOR A PARTICULAR PURPOSE.  See the
 117  <I
 118 CLASS="CITETITLE"
 119 >GNU General Public License</I
 120 > for
 121
 122  more details, which is available from the Free Software Foundation, Inc,
 123 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA</P
 124 ><P
 125 > You should have received a copy of the <A
 126 HREF="http://www.gnu.org/copyleft/gpl.html"
 127 TARGET="_top"
 128 > <I
 129 CLASS="CITETITLE"
 130 >GNU General Public License</I
 131 ></A
 132 >
 133  along with this program; if not, write to the <P
 134 CLASS="ADDRESS"
 135 >&nbsp;Free&nbsp;Software<br>
 136 &nbsp;Foundation,&nbsp;Inc.&nbsp;<SPAN
 137 CLASS="STREET"
 138 >51 Franklin Street, Fifth Floor</SPAN
 139 ><br>
 140 &nbsp;<SPAN
 141 CLASS="CITY"
 142 >Boston</SPAN
 143 >,&nbsp;<SPAN
 144 CLASS="STATE"
 145 >MA</SPAN
 146 >&nbsp;<SPAN
 147 CLASS="POSTCODE"
 148 >02110-1301</SPAN
 149 ><br>
 150 &nbsp;<SPAN
 151 CLASS="COUNTRY"
 152 >USA</SPAN
 153 >&nbsp;</P
 154 ></P
 155 ></DIV
 156 ><DIV
 157 CLASS="SECT2"
 158 ><H2
 159 CLASS="SECT2"
 160 ><A
 161 NAME="AEN1236"
 162 ></A
 163 >9.2. History</H2
 164 ><P
 165 > Along time ago, there was the
 166  <A
 167 HREF="http://www.junkbusters.com/ijb.html"
 168 TARGET="_top"
 169 ><SPAN
 170 CLASS="APPLICATION"
 171 >Internet Junkbuster</SPAN
 172 ></A
 173 >,
 174  by Anonymous Coders and <A
 175 HREF="http://www.junkbusters.com/"
 176 TARGET="_top"
 177 >Junkbusters
 178  Corporation</A
 179 >. This saved many users a lot of pain in the early days of
 180  web advertising and user tracking.</P
 181 ><P
 182 > But the web, its protocols and standards, and with it, the techniques for
 183  forcing  ads on users, give up autonomy over their browsing, and
 184  for tracking them, keeps evolving. Unfortunately, the <SPAN
 185 CLASS="APPLICATION"
 186 >Internet
 187  Junkbuster</SPAN
 188 > did not. Version 2.0.2, published in 1998, was
 189  (and is) the last official
 190  <A
 191 HREF="http://www.junkbusters.com/ijbdist.html#release"
 192 TARGET="_top"
 193 >release</A
 194 >
 195  available from <A
 196 HREF="http://www.junkbusters.com"
 197 TARGET="_top"
 198 >Junkbusters Corporation</A
 199 >.
 200  Fortunately, it had been released under the GNU
 201  <A
 202 HREF="http://www.gnu.org/licenses/gpl.html"
 203 TARGET="_top"
 204 > GPL</A
 205 >, which allowed further
 206  development by others.</P
 207 ><P
 208 > So Stefan Waldherr started maintaining an
 209  <A
 210 HREF="http://www.waldherr.org/junkbuster/"
 211 TARGET="_top"
 212 >improved version of the
 213  software</A
 214 >, to which eventually a number of people contributed patches.
 215  It could already replace banners with a transparent image, and had a first
 216  version of pop-up killing, but it was still very closely based on the
 217  original, with all its limitations, such as the lack of HTTP/1.1 support,
 218  flexible per-site configuration, or content modification. The last release
 219  from this effort was version 2.0.2-10, published in 2000.</P
 220 ><P
 221 > Then, some
 222  <A
 223 HREF="http://www.privoxy.org/user-manual/copyright.html#AUTHORS"
 224 TARGET="_top"
 225 >developers</A
 226 >
 227  picked up the thread, and started turning the software inside out, upside down,
 228  and then reassembled it, adding many
 229  <A
 230 HREF="http://www.privoxy.org/user-manual/introduction.html#FEATURES"
 231 TARGET="_top"
 232 >new
 233  features</A
 234 > along the way.</P
 235 ><P
 236 > The result of this is <SPAN
 237 CLASS="APPLICATION"
 238 >Privoxy</SPAN
 239 >, whose first
 240  stable version, 3.0, was released August, 2002.
 241  </P
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