> Regarding hyphenated or even non-semantic names - Anyone these days who
 > depends on humans making semantic sense out of a domain name is living
 > in days of fading glory.  Search engines, especially when embedded in
 > browser address bars, have long ago started to diminish the use of
 > domain names as carriers of semantic content.  And the rise of
 > application handles such as facebook or twitter names has diminished
 > that further.

The canned response to that has become:

  Once they find it via search it's good if the domain is memorable
  because if they search again they might find your competitor.