After analyzing Bing for two weeks bingwindow has following SEO tips.

Bing SEO Tips:

• Back links are of less importance

• Inbound anchor text matters more

• Link spamming won’t do much for you on Bing

• On page factors matter more than with Google

• Bing pays more attention to the authority of the site

• PR matters less

• Fresh content matters less

• Bing is more Flash-friendly

Some of the factors that effect Bing SEO are

• Domain Age
• Length of Text
• Link Out
• Title Tag of your Page
• Link Popularity
• Title Tags of Other Pages

When It Comes To Search Trends, Google Is Lagging Behind Bing – TechCrunch