Some of the latest experiments observed are:
Starting from The Link between Display advertising and Search Engine “Paid Search” Ranking-
A post from Search Engine Land speaks more about search algorithm and display experiments @ Google
Official: Google Testing Display Of Click Counts On Paid Search Ads
Intrepid searchers have been spotting click counts displaying under certain AdWords ads on Google.com, and the search giant has confirmed it’s doing a small experiment.
Now the Google images ‘search’ is more prominent than ever before with a option on Google Images home page inviting users to drag and drop images in the search box.
Here is from the Horse’s mouth!
New! Now you can use an image to start your Google search.
Next comes the Google Apps push in chrome, see the image below, saw the apps image popping at the opening chrome ‘default’ page,
Google’s IP based targeting also help locate the user and its last search, the domain from which the user has searched. for example if you are regularly searching on google.co.in and one fine day decide to checkout google.com, a message drops to confirm from the browser’s URL Address bar as
Whats coming up?
Have a look at the menu @ Google Labs, some of the experiments might be essential to consider if you are an SEO or a search marketer or a web usability analyzer.
