message: Add Marratech.
diff: "description": "Postini was an e-mail, Web security, and archiving service that filtered e-mail spam and malware (before it was delivered to a client's mail server), e-mail archiving.",
  "link": "https://en.wikipedia.org/wiki/Postini",
  "name": "Postini"
  + },
  + {
  + "dateClose": "2010-02-19",
  + "dateOpen": "1998-11-30",
  + "description": "Marratech was a Swedish company that made software for e-meetings (e.g., web conferencing, videoconferencing)",
  + "link": "https://en.wikipedia.org/wiki/Marratech",
  + "name": "Marratech e-meetings"
  }
  ]
  