Messaging app firm Kik quietly launched its own virtual currency last month, but today it has been a bit more public with an announcement that, while fairly minor in content, has interesting connotations for its future. The Canada-based company has updated its iOS and Android apps to give users more control over how they connect with new contacts._Gone is the old approach that effectively let any user contact anyone with messages and photos off the bat (users could later block irritating people);_a new ‘screening’ system effectively mutes messages and media shared by a non-friend until the user explicitly_adds the person...

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