In the endless battle to improve and personalize search results, Google often launches new features in the Search Engine Result Pages (SERP’s). If the users like them, the new features might become visible to everyone, if not, they die a silent death.
With the latest feature Google aims at improving the results itself:
This experiment lets you influence your search experience by adding, moving, and removing search results. When you search for the same keywords again, you’ll continue to see those changes. If you later want to revert your changes, you can undo any modifications you’ve made. Note that this is an experimental feature and may be available for only a few weeks.
And this is what it looks like: