One problem with Bing...
Now I'm a big fan of Bing. Despite having an Android phone now, I still love to use Bing, particularly for image search. But everytime I visit the site on my iPad, I hit one problem...no tablet optimised version.
Now the full desktop site works, yes, but it's clunky, requiring double taps sometimes, rendering weirdly in portrait mode etc.
With Microsoft focusing heavily on mobile devices these days I'd have thought they would follow Google's lead here, but looks like I was wrong.