We’ve seen several high-quality images in the past that have been assembled together to form one large image. The latest breakthrough was the 1-trillion pixel image that required a special file format to manage the 143GB file. Other popular ones include Chicago By Night at 1-gigapixel and Machu Picchu at 1.5-gigapixels.

Remember back in April when Google announced that they were acquiring DoubleClick, and Microsoft said “not so fast” and protested the move saying it would hurt competition? Then what did Microsoft do? They acquired online advertising firm aQuantitive, and more recently, they announced they were acquiring an advertising exchange firm called AdECN as well.

We talked quite a bit yesterday about how pie menus work, and even gave a short video demonstration of them in action. Today I thought that I would walk you through the most productive and usable pie menu system that I have come across. It is in the form of an extension for Firefox, and it’s received many upgrades from the last time that I mentioned it.