...it provides a suite of tools to organize diverse aspects of your work supported by a simple but malleable paradigm,
...you can create a Blog/on-line journal directly from Mathematica using Mathematica's graphical and typesetting capabilities,
...you can automatically generating reports based on material embedded in Notebooks,
...it has a range of tools for inserting and tracking data in notebooks and analyze it automatically,
...it provides a Mathematica-native database language and simple GUI for creating personal database applications,
...you can employ it as a technical management tool—whether for personal R&D or for Personnel and networking management...
...and a great deal more...