Web Analytics 2.0 is a very classic entry-level book for learning web statistics. It tells a lot of summary of experience based on current industry, makes a painstaking investigation and analysis on the Internet data, and puts forward the more specific, simpler and more advanced methods. For readers who want to become a web analytics expert or are interested in online marketing and web statistics, Web Analytics 2.0 will be the best choice for you.

UltraShredder is a small (~ 250 KB) file eraser, from Germany, supports batch deleting. We can see its name contains an "Ultra", this shows that it is not a general deletion, but really allows us to delete sensitive data safely, and is irreversible, so when you delete the file, please be careful.