Good e-mails, like bad rock bands, never really go away. They migrate to another part of cyberspace before returning one day to roost again in your in-box, often in a rather mutated form.
Back in 1999, I received a PowerPoint presentation called “useless inventions from our Japanese friends”. I saved it and forgot about until this morning when I was greeted by a link to “101 unuseless Japanese inventions”, many of which were survivors from the earlier presentation. You decide: useless or unuseless?