The h-index (Hirsch Number) is a metric that is increasingly becoming of interest to researchers, especially in the light of the REF. An h-index is “a number that quantifies both the actual scientific productivity and the apparent scientific impact of a scientist“. You can work it out manually, but to be honest you’d need to be mad or a bibliometrics fiend to want to.
Chris Anderson's blog about the shift away from mass marketing toward niche marketing, and the implications of this (and other effects of the IT revolution that make Long Tail possible) for the future of society.