If you are a Bing Rewards member and have a few hundred points laying around collecting dust, you can use them to remove the ads on your Outlook.com screen.
For those not familiar, Bing Rewards points are earned as search for items using the Bing search engine. You can even earn points by using Bing on your Windows Phone. Points earned can then be redeemed for gift cards, contest chances and other services. One of which is to buy ad-free time for Outlook.com.
Full story from the WPCentral blog...