Hi I'm recently interested in using a google bookmark, but there isn't any good source of information about that how to start using it. Some help !!!
For ranking purpose I don't think this has been incorporated with google's rankings but for use it's pretty good.
Google bookmarking services surely just a personalized one and will not affect to the actual rankings.. you may use this Adding Page: https://www.google.com/bookmarks/mark?op=add&hl=en
You may refer this page, this page is telling the four ways of bookmarking a webpage. https://www.google.com/bookmarks/?hl=en