Digital Web 2.0 Publishing Roundup SHARES By Carmen on Jul. 11, 2007 - 7:53 AM Booktour.com, whose existence we first announced on GalleyCat during BEA, has now gone live. As first reported here yesterday morning, Shelfari and Facebook have teamed up to launch the Shelfari Facebook Application. [The Book Standard] Compare and contrast the three main social networking sites for books: Shelfari, Goodreads and LibraryThing. [PW] And now add a fourth one: LovelyBooks. Google adds a Japanese partner in the form of the Keio University Library.