Software comes and software goes. Most that fall into the latter category deserve their fate, because either they weren't very good or they were superseded by a better option. Though such also-rans are soon forgotten, some defunct software still holds our affections, whether because nothing as good has come along or because it was our "first love" in a category. Software may seem a funny thing to be sentimental about, but when you use a tool every day, you can grow quite fond of it. We ransacked
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Six Degrees was an email-based productivity and organization tool, based on the idea that the framework of most business communication and collaboration was email. The program would automatically group messages with similar subject lines and attachments with similar keywords and provide a sort of dashboard for tracking messages, files, and people by project. Debuting in 2002, the program was probably slightly ahead of its time; also, it was marketed by Creo, a prepress company not known for standalone productivity software. These days, social networking features in collaboration tools try to fill the same role.