Google introduced new search features: First, you can now easily find discussions related to your query; When several different discussions on a site’re relevant to your query, Google indent them under the primary result and include the date of each post. This new addition to Google search results applies to sites that have a large number of posts on a specific topic.
Second, sidebar toolbelt on search results pages has been updated with new features; now lets you restrict results to blogs, option to indexs per specific date range, and an option "fewer shopping sites" to remove shopping sites in search results, when clicked, Google’ll remove results like Amazon, BestBuy, eBay. Google also offers the option to see "more shopping sites" in an interface optimized for price comparison. When logged in to Google Account with web history enabled, you can restrict results to web pages you've visited.