Digital Housecleaning Tips

Do you have a system for information management? How do you keep information for work separate from personal interests? Do they overlap? I use bookmarking for things work related and Pinterest for personal topics. Once a year when I notice some bookmarked folders fill my computer screen I quickly go through it and do some house cleaning. The same thing with Pinterest. It’s like on-line house-cleaning. Do you apply any house-cleaning techniques to your information storage?