It was expected that those using the system and consuming resources would contribute.Because lurkers would keep the phone line busy for extended periods of time without contributing anything, they were often viewed negatively and would be barred by the system operator who managed the BBS.

Because they are not posting and mostly just read content, they leave behind few traces that can be tracked.

In open source project communities, it is estimated that at any point in time, 50% to 90% of the community may be lurkers.

Depending on the community, this may be consistent with the 90-9-1 principle.

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We ask that you please read the rules below before you enter the chat room so that you know how to behave inside the chat room.Welcome to our free online lesbian chat room, this room is free for all lesbian chatters.You will be talking to other people looking for other lesbian chat rooms.The word referred to someone that would hide in concealment, often for an evil purpose.In the mid-1980s, the word started to be applied to the internet when bulletin board systems became popular.The bulletin boards were accessed through a single phone line that users would call to upload files and post comments to share with the community.