Book discovery: how many ‘touchpoints’ to purchase? February 16, 2012 by admin Tweet Social reading site Goodreads says the primary way its users discover new books to read is through search. How does its algorithm work? GigaOM Related Posts:Reading Practice arrives on Google Play Books to…Google Search algorithm update seemingly pushing up…Twitter could make its algorithm open source as soon…Windows XP activation algorithm cracked after 21…Google Play Books adds 300+ free ebooks for kids