SimilarityRank
chat_room 0.852 29486
chat 0.704 3781
discussion_board 0.651 54243
message_board 0.646 33134
discussion_forum 0.639 29465
newsgroup 0.624 54749
online_forum 0.618 57809
instant_message 0.613 36103
Chat 0.607 37976
live_chat 0.601 50179
our_forum 0.595 47633
video_chat 0.590 68030
wiki 0.589 6699
discussion_group 0.578 28250
facebook 0.570 16426
social_networking_site 0.560 28800
forum 0.557 1391
Facebook_group 0.554 48553
online_community 0.553 21417
mail_list 0.552 60729
internet 0.542 50211
hangout 0.541 44934
skype 0.540 58605
virtual_community 0.537 85198
weblog 0.526 47855