As a result, the system and {HEAD ~ method} of {TAIL ~ the present invention} is easily scalable to support an arbitrary number of participants to a conference by merely adding the appropriate number of server computers to the system 
of
As a result , the system and { HEAD ~ method } of { TAIL ~ the present invention } is easily scalable to support an arbitrary number of participants to a conference by merely adding the appropriate number of server computers to the system
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