You thought you were done when you optimized your site for Google, MSN, and Yahoo, right? Nope – the Microsoft Network, MSN, has partnered with Yahoo in a 10-year, $275 million dollar agreement and recently launched Bing. Having gone live in June 2009, it’s instantly very popular. There’s even talk that it may eventually replace Google as the most popular search engine because it is intuitive and offers users a number of search options.
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SEO For Bing: 6 Killer Bing Optimization Tips For Your Website