links for 2007-06-16

• ONLamp.com — Why Do People Write Free Documentation? Results of a Survey
  O’Reilly’s survey results on why writers write documentation
  (tags: docs)
• blog.pmarca.com: Top 10 science fiction novelists of the ’00s — so far
  Marc Andreessen’s picks for hard science fiction of the 21st century
  (tags: books)