i didn't find a good tool that record my online stuff, delicious, su and digg are mostly commercial and don't help do that.<p>I use emails by sending and featuring a note, but it depends in the situation, sometimes i save in delicious, sometimes in my browser and sometimes in a txt file
you can wedge everything into a db or file/directory tree so you can hit with Google desktop, or SOLR, or sphinxsearch if you need control doc granularity, tokenization, stemming