706893.fig.009a
(a)
706893.fig.009b
(b)
706893.fig.009c
(c)
706893.fig.009d
(d)
Figure 9: Different permission pages used in our study: (a) default Facebook permission page, (b) user_photos permission page, (c) user_photo_video_tags permission page, and (d) friends_photos permission page.