Ability to hide feed updates by folder level
Like others have mentioned before, Feed can be too busy to make it useful. There are many folders I am invited in where I don't need to see updates. It would be useful to have the ability to silence those folders on your feed so you are only getting updates from the folders you are interested in.
Agree, feed needs to be filterable by Folders. That is how we have implemented Box and currently users would see far too much in the Feed if working on various projects.