Letters sent electronically to an distribution list. Information pushed onto a recipients computer without the user directly requesting it. Automatic selection of content or functionality based on a user's actual or perceived needs. To make participation effective other reward features may be need to emphasised to suit the local needs of the target users. This can be addictive, encouraging return visits.
Emotional involvement is used extensively in advertising, entertainment and news services.
Courage to handle events. Anger is often accompanied by a desire for retaliation. Strong carnal desire, devoid from love. Encouraging selfishness, can aggravate racism, etc. In the context of any system, only some emotional features are desirable, while some others may be highly undesirable.