Personal documentation for professionals

“I know I read something on that some place.” We all know the situation. A colleague invites our comments on a topic in which we have some interest. We rummage our memories for a clue to what we´ve read or where we´ve read it. Finding no help there, we search our files. Alas! We have either not filed it or misfiled it. “One of these days,” we promise ourselves, “I´m going to organize the information I pick up.”