If you're like me and got a zillion things on the go at once, getting some focus to achieve the important things in your day is a must have.
I just came across this for Chrome users - StayFocused - it's an extension that will block some or all websites for a period of time.
Works for: Chrome users only
Random thought: Good for all sorts of addictions! Mine is the weather site bom.gov.au. Sigh.