Douglas and McGarty (2001) reported that the anonymity of Internet chat rooms, newsgroups and listservs seems to foster more hostile behavior than is observed in face-to-face conversations. This is an example of how contribute(s) to deindividuation.

Physical anonymity

Explanation:

Douglas and McGarty (2001) reported that the anonymity of Internet chat rooms, newsgroups and listservs seems to foster more hostile behavior than is observed in face-to-face conversations. This is an example of how physical anonymity contribute(s) to deindividuation.

Deindividuation is a phenomenon in which people engage in an unaccepted manner or acts in a particular or varies situations with the belief that such behaviour cannot be personally identified to them; such behaviours typically occur in a virtual manner. Physical anonymity under deindividuation is a phenomenon often characterized by hostile negative interactions online perpetrate by individuals by showcasing a hostile or cruel attitude because their identity is hidden behind the internet.

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;

the answer to your question is,

old stone age.

-mabel < 3