A very useful Facebook debugger tool where you can check how your webpage looks like on Facebook when like button is pressed, without actually pressing the like button.
Windows 8 also brings a very transparent tool for examining global indices, where you can also optionally keep track of the value of individual shares.
This is how you add your favorite websites shortcut to your iPad or iPhone running iOS 7. It's a really useful feature if you are accessing some webpages frequently.
