Yum executive Hearl will retire

News Digest: After a 2006 shake-up at Yum, an executive named Hearl rose to the top position. But now Hearl is out, replaced by someone named Eaton.  Yum executive Hearl will retire Eaton to be new development chief By Alex Davis alexdavis@courier-journal.com The Courier-Journal Yum! Brands announced yesterday that the company’s chief operating and development…

Wikipedia's Technological Obscurification: Three ways Wikipedia keeps 99% of the population from participating

The special coding Wikipedia has developed for its user-edited pages is powerful. Some shortcuts are simple and elegeant — you just put [[square brackets]] around words to make them into links, and clicking on the link will automatically either take you to an existing page, or let you create a new one. But as Wikipedia…