Not to sound old-fashioned, but two or three well-organized notebooks with a color code should do the trick. It's not just about the tangible experience of seeing them somewhere; you have to force yourself to summarize. I've even gone so far as to write links by hand to save space. Categorize the notebooks and segment them by task. If you want to take it a step further, you can use different colored markers in the notebooks according to priority.

Obviously, you could do this in Word or whatever software is currently available. But the manual act of writing and the need to summarize helps the brain remember things for much longer.

Cheers, sorry for being old. ;P