15. Revision History

• v0.1, 18 June 1999, first draft
• v0.2, 10 September 1999, changed <htmlurl ... > tag to <url ...>, another motto, added appendix B about MP3 player, created and added eco_com mailing list, added chapter about alternative power supplies, added recommendations for buying a new computer, improved screensaver section, added UPS chapter, added chapter about hardware design, minor changes
• v0.3, 17 September 1999, added information about Tierra, added information about wasting of resources during computer production, added some comments about UPS, minor changes
• v0.4, 05 December 1999, added appendix G about other operating systems, added information about CD recycling, added appendix H URLs of recyclers, removed link to Linux Games Survey, added links to SWARM, UNCERT and Climate-Dynamics, added chapter about Energy Star label (courtesy of Robert Horn), minor changes
• v0.5, 04 January 2000, some additional information about PostScript utilities, new chapter Caveats, URL corrections and minor changes