{HEAD ~ Further machine} implemented {TAIL ~ means} may be provided for automatically and asynchronously updating users on shared activities by other users even though all users are not necessarily connected to one or more respective communication networks at same time 
implemented
{ HEAD ~ Further machine } implemented { TAIL ~ means } may be provided for automatically and asynchronously updating users on shared activities by other users even though all users are not necessarily connected to one or more respective communication networks at same time
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