What I miss is a version management system on my computer. I have so much digital space on my harddrive, so why do I need to delete things for example in a word document? Why not have ‘track changes’ on all the time. Like a wiki you can go back in time to see previous saves. This would be very handy. I haven’t found software which does this trick. It would need to be something which is implemented first in the OS and then in the other software.