Take Away The Unnecessary
Keep asking yourself, does this “something” add anything to my life? If you have to think about an answer to the question for more than a few seconds, it doesn’t. Remove it from your life. Throw it away. Clear out the space visually and mentally.
There’s no use keeping around a piece of digital material (RSS feed, song, file, bookmark) if it’s not adding anything to your life, or helping you in any-way. Try to simplify things down and keep only the essentials, both in the material world and the evolving digital world.
Moving from a desktop computing setup to a notebook based setup comprising of a MacBook Pro helped my digital cleanliness propagation a few months ago, I migrated over 1TB of data into under 100GB.