This reminds me of the importance of thinking about what you want from each visit to your site. Google quickly became about generating a return on each visit (a

This reminds me of the importance of thinking about what you want from each visit to your site. Google quickly became about generating a return on each visit (as someone else has said, google: 1 query => 1 visit, where that 1 visit becomes something with potential ad revenue). Facebook hasn't got the context to provide anything like this, I believe.