Shalom, As you know that the webmaster Tool helps you to improve your blog’s SEO. But the SEO services provided by the webmaster of search engines like Google, Bing, Yahoo! are only used if you verify your blog to them.(Bing webmaster tool, Google webmaster Tool)The Bing is now powering the Facebook and Yahoo! Search, around 30% of all web Traffic is delivered via Bing. So it is important for every Blog or Website owner to indexed their website or blog to Bing.