When and with whom has
Location and communcations can be calculated from the retained e-mail and call data.
When was Balthasar in:
Zurich, Bern, Basel, Geneva, Lucerne or Lausanne?
The travel calendar can be calculated from the phone movement profile.
Who are Balthasar's
friends and colleagues?
A network of contacts can be plotted based on the retained email metadata, without any information about their content.
Anyone who sends an e-mail to several colleagues simultaneously reveals that the colleagues know each other.
Balthasar's entire personal environment, consisting of family, friends and colleagues, can be determined based on his 22'324 e-mails.