This issue of Technology Review represents a departure. Oh, it looks much the same, I know. And save a few, largely cosmetic changes, it is the magazine you are accustomed to reading. As has been our custom since 1899, we describe emerging technologies and analyze their likely impact. Indeed, if readers find any alteration in our pages, they might note a stricter policing of that mission: we have eliminated coverage of technology business and financing because surveys suggested that you didn't want it.

Select from the choices above to read the entire article.