????- MSN Messenger

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• ????
• ????-MSN Messenger
• ????
• Blog

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• ????(Electronic Commerce, EC)??????????????,?????
  ??????????????????????

• ??????????( Government to Business,
  G2B)G2B?????????????,???????????????,????????????
  ???????,??????????,??????,????????

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• ??????????(Business to Business,
  B2B)B2B??????????,????B2B?????????????????????

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• ???????????(Business to Consumer,
  B2C)B2C???????????????,??????????????

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• ????????????( Consumer to Consumer,
  C2C)C2C???????????????,?????????,????
  ?????eBay?????????????????C2C????

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• ???????
• VISA?????Master Card????,?1996?2??????????????(Se
  cure Electrornic Transaction, SET),??????????,????
  ????????????,????????????
• SET???????????(Electronic Wallet),??????(Merchant
  Server),?????(Payment Gateway),?????(Certificatio
  n Authority)??????????,???????,?????Internet???SET
  ???????????

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• ?????????
• ??????????????????????????
• ???????????,???????????????
• ?????????????????,?????????????

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????-MSN Messenger

• MSN Messenger??????????????,??????????????????????
  ?(Instant Messenger, IM )???MSN?ICQ?Yahoo!??Messe
  nger?,??9-38???

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• ????( Voice over Internet Protocol, VoIP
  )???????????????(Data Packet )?,?IP????????????,?
  ???????,????????????,??????????????????(Public
  Switched Telephone System)???????????

• ?Skype?????????????,?????????????PDA??????????

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Blog

• Blog???????????,?????????,Blog????Web
  ????,???????????,?????????????????????????

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