http://digitalmoneytimes.com/crypto-news/microsoft-brings-bitcoin-bing-rewards/

One of the best ways to push Bitcoin adoption to new levels is by rewarding users for performing daily tasks. Bing Rewards is the first company to offer Bitcoin as a reward to its users, with a total of US$500 to be won. This is a great way to get Bitcoin into the hands of everyday consumers who are not yet involved in the Bitcoin ecosystem.