really ? but who said that ? can you confirm it ?

maybe this ?

http://www.liveside.net/2010/12/20/bing-visual-search-gets-a-new-html5-look/

it's Visual Search, not Images Search, and as the commenters have pointed out, the news is not accurate, its actually HTML4, not HTML5.

and I believe if they are really goint HTML5, there must be a fall-back mode for the browsers that not support this, they can't be THAT stupid right ?