How do you keep order of your HPDA? I like the paperversion before the electronic PDA as it gives my much more options. I write a list on each card specified by a given context at the top of the card and keep all the paper together with a paper clip. But one thing I don't like is finding the right context paper as for example the @ToCall one. Papers can stick together and as they are just a pile of papers I soon found myself with them spread all over my desk. And getting the @ToCall paper while being in my car (when I can do most of it) is a real pain... How do you keep them in order, at easy access and still keep the flexibility the HPDA gives?