The vice president of Google Search Product & user experience- Marissa Meyer has recently announced that Google will be permanently adding a sidebar to its search pages. She thinks that the users of Google are unhappy with the same design of Google's search interface. So, they are now testing a few changes in the Google's Search interface by adding a Sidebar on its left side and is going to soon visible to a small portion of users.
The sidebar will be consisting of some options to access content like Orkut, Google images, books, news, maps etc. There will be another option which will remember the Search History Keyword for fast search.
This will be a great change in the history of internet as the Google Search Interface is changing which was untouched for many years and millions of users are quite habituated with its daily search interface.