Bing’s FAQs state that you should do the following on-site seo to rank well in their search engine: target no more than two keywords per page, use unique title tags on each page, use unique meta description tags on each page, use H1 tags, use text navigation links, create content for your human visitors, not the Bing web crawler, and incorporate keywords into URL strings.
http://forums.digitalpoint.com/showthread.php?t=1583311
The B2B marketplace is just becoming aware of the amazing advantages in forming an SEO Monopoly.