(up one level)

  Facebook-style social networking doesn't provide all the answers.

Social networking takes some necessary first steps...
	--  It acknowledges the value of human recommendations in filtering what people see.
	--  It recognizes that not everybody's recommendations are equally valued.
	--  It facilitates recommendations from a naturally trusted source (users' friends ).
...But its presentation techniques limit the recommendations' usefulness
	--  You don't see "likes" at the time you're actively looking for something.
	--  They're not easy to find after they've been made.

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