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_16 12
_16 12
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A 14
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? , , , .
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: ..
:
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: / .
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:
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:
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:
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.
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. : (email) (mailing lists)X (forums) (newsgroups)
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. , .
: (chat) (teleconference)
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. (Skype, Discord, ooVoo). .
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