Microsoft officially launched Bing, a new rebuilt search engine that was previously spoken about and tested under the code name of Kumo.

Microsoft designed Bing to replace Live Search, and it will become Microsoft's default search on June 3.  Until then, it'll remain closed to the public, though on June 1 some Bing results will be shown when people use Live Search.

Along with being a search portal, Bing makes it easier for users to purchase items, purchase airfare and other travel arrangements, and to help find fast, relevant medical information.

There are a handful of different features users can look forward to while using Bing, with a Wired.com review revealing the pros and cons of the service.  

In addition to search for relevant links after a user enters a search query, the engine also retrieves and processes data, before rendering it in a way that's easy to read.  Bing monitors search history and displays it when a user is typing something, though this feature is somewhat easy to use -- unlike Google at the moment.

Wired seemed impressed by Bing, but remained wary that a lot of the best features Microsoft put into its latest search engine may be missed by casual users.

Learning from past marketing mistakes, Microsoft will invest up to $100 million to help make sure people browsing the internet know about Bing.  Live Search -- though never really able to take off -- wasn't marketed very well, which caused Internet users to forget about the search portal quickly.

"We want to do better," Microsoft CEO Steve Ballmer said during the All Things Digital Conference.  "There are times in our history where we've felt a little bit like Rocky.  It takes persistence in this stuff.  You don't always get things right."

Even though Microsoft and Yahoo are reportedly talking regarding a possible merger or buyout of Yahoo's search technology, Microsoft will rely on Bing until that deal takes place, if ever.

Google lead's the way with 64 percent of search queries in the U.S., with Yahoo trailing in second place at 20.4 percent, and Microsoft coming in third with just 8.2 percent.  Google continues to be able to charge premium amounts to advertisers, while Microsoft and Yahoo have struggled to keep advertisers interested.