Ever browse online somewhere and you come onto something you'd like to save? Happens to me thousands of times during a single day and my solution till now was just to make a post on nikak! Or if it was something personal I'd save it in my gmail as a draft email and get back to it later. This gave me a great way to access my note from anywhere as long as I have an internet connection. Well Google recently released a new product Google Notebook which allows you to create small notes and store them online. Just like their other products such as Spreadsheet, you can share your notes with other users which makes it even cooler!
But wait that's not all! When you access the page using Firefox, it first takes you to a page that allows you to download an extension for the browser which adds a mini-notebook to Firefox and allows you to edit it from there without actually opening the webpage itself. Below is a screenshot of what it looks like in the browser: