Mint.com allows you to keep track of every penny you have in one location.  From checking, saving, investing, credit cards, retirement funds and much more.  Sync all of your accounts even from different financial institutions all into one easy, central place.  If you could be earning more interest or paying less Mint.com will also make recommendations.  You can also set up budgets in a cinch.

Here are just a few instances of Mint.com in the news in 2010: