Last week, Bing reported that they were Testing Bing search results on Yahoo! Today, Yahoo! finalized transition to Bing. When searching with Yahoo! in the United States and Canada (English) you will see a “powered by Bing” at the bottom of the search results and will appear on all web, image and video searches on both desktop and mobile devices.

That was announced in a new blog post from Yahoo Search blog with title "Yahoo! Transitions Organic Search Back-End to Microsoft Platform" by Shashi Seth, Senior Vice President of Yahoo! Search Products. Also Bing announced that it is powering Yahoo!’s search results in the US and Canada (English only for now, the other languages will come in the weeks and months ahead)

Bing has just announced in a blog post that they are adding a new feature for mobile iPhone app which is "Social Search", this feature enables you to search through your Facebook and Twitter account for combined status and updates from your friends, Here's how to use this feature

• From the home page, click “Social”
• Then connect your accounts
• Now when you search for anything, relevant results and your friends’ social network mentions will also appear
• Finally if you find something you like using the app, you can easily share it with your network on Facebook, Twitter, or through email

If you don't have the app yet, You can get Bing for iPhone, iPad and iPod Touch from Here for free and try out this new feature then tell me how do you like it?