1. Detach a Tab To a New Window
Firefox 3.5 now has it but it was Google Chrome which introduced it. You can easily click and drag a tab outside of the main browser window to a new window.

1. You can easily resize the text area by dragging it on the lower right corner. So if you need to write a BIG comment in a Blog you can easily extend the text area.

Google Chrome Browser Shortcut List
1) F3 & CTRL+F Search on Page

To create an application shortcut, open the web page for which you want to create shortcut. Once the page is loaded, click on the page control options button next to settings.

Being a Keyboard person. I am always comfortable with using keyboards. I hate to move my hand to the mouse or the touch screen to move the curser. So here i am mentioning some really cool keyboard shortcuts that Google Chrome provides: