Browsing a log of your own thoughts

In tomorrow’s Sunday Times, writer Steven Johnson discusses a program called DEVONthink and the general improvement in personal note-taking and idea-management assistance emerging in today’s tools and user-interface advances (Voodoo Pad is currently the state of art for my own ad hoc, mostly text-based note-taking and mind mapping software. Blogs play a part for me as well, and I’m trying to get wiki and civicspace-style community sites going as well to provide similar knowledge accumulation for different sized groups of people (along with other communication and analytical and action-oriented services).