Friending
Friending is the act of adding someone to a list of "friends" on a social networking service. The notion does not necessarily involve the concept of friendship. It is also distinct from the idea of a "fan" — as employed on the WWW sites of businesses, bands, artists, and others — since it is more than a one-way relationship. A "fan" only receives things. A "friend" can communicate back to the person friending.
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