Bing is a web search engine operated and owned by Microsoft. Bing provides a variety of search services, including web, video, image and map search products. Great news is coming for Bing’s fans. A new partnership between Bing Rewards and Tango Card will let users of the search engine redeem reward points for the ability to win $500 in Bitcoin. Bing Rewards awards credits to search engine users that can be redeemed for gift cards and other products, including entries into various consumer-oriented contests.