Google just officially unveiled its next iteration for Android -- Jelly Bean 4.1 -- and now we're getting to see the various "buttery" improvements the company's worked into the OS. Hugo Barra, Director of Product Management, took to the I/O 2012 stage to detail the refinements introduced to its search integration. The entire expereince has been redeisgned from the ground-up with a fresher UI and a "faster, more natural" voice search ability. That refreshed interface borrows from the recently outed Knowledge Graph, displaying queries for weather, Wikipedia and restaurants in graphical card format. That same layout extends to voice search, now spoken by a much more human-sounding voice. You can also dismiss the cards with a simple swipe, exposing the full list of search re
