Mindmaps with notes on articles, presentations, tools...
Other suff:
Because by taking notes you have the extraordinary power of a Turing machine.
With good presentations and articles, love, time and some tools:
Freeplane to create mindmaps,
Python and lxml to turn them into html pages
that use jQuery and jsTree to make them more readable,
and boto, another Python library, to upload everything
to Amazon S3 and
to tell Amazon CloudFront about the new uploads.