Trash picking at the Info Dump

I09 led me to a post by Ian Sales about the dreaded Info Dump:

Unless the writer has chosen to use an outsider as a protagonist – a common trick in fantasy, but much less so in science fiction – the only way the reader is going to learn anything about the world of the story is through info dumps. There are elegant and inelegant ways of info dumping. Having one character tell it to another character, who already knows it, is a particularly bad way. Nor is it unique to science fiction – see...