Once you have clicked one of the buttons, a pop-up box will appear asking you to give permission for h2g2 to access basic information - name, profile picture, gender, networks, user ID, list of friends and any other information you have shared. 14 What does the 'Bookmark on your Personal Space' link do?If you are signed in to h2g2, you can bookmark any Entry or Approved Entry to read later by clicki