I’m sad Google is stopping development on Google Notebook. Though it has all the features I need and they’re leaving it running, it’s probably the first time Google has discontinued a product I currently use.
I think Google Notebook’s lack of success was due to its flexibility; it was so free-form, people didn’t know how to use it. I find it useful for organizing research from a bunch of disparate websites and mediums, and for all my non-Amazon wishlist needs.