Sometime this week Google made a significant change to it's search results page. I'm posting this thread in social, though because the change is more about the Google+ network. They've started to push Google+ heavily on the results page.
Here's a post from Search Engine Land, Real-Life Examples Of How Google’s “Search Plus” Pushes Google+ Over Relevancy, with some examples and additional information.
For a number of searches Google is now showing Google+ profiles on the right hand side above the ads. The profiles are very visible and clearly this is a way to help promote the new social side of Google. It's not without controversy as some are suggesting Google is taking advantage of their near monopoly in search to promote their social offering over sometimes more relevant Facebook or Twitter profiles. Some are calling the DOJ to investigate.
To give you an example if you search Google for "Facebook" they show Mark Zuckerberg's Google+ profile, with it's 0 Google+ posts. Who honestly thinks that's the profile people would want to see there. His Facebook profile would be the obvious one to use.
Beyond the controversy though, this is another sign Google is serious about pushing Google+ to all Google users. It'll likely give a boost to Google+ signups and it also means if you have a profile you just might start appearing in the search results more often and in a very visible location. The profiles are showing regardless of whether or not you're logged into anything Google, though I did notice different results when signing in and out.
If you're signed into Google and have personal results on, above all the results you'll see 3 avatars above all results of people in your circles. If you have Instant search on as soon as you start typing people in Google+ are showing up as recommend searches. The personal results and Instant search are both defaults so it's how most people will be searching Google, assuming they have some kind of Google account and are logged in.
This is definitely a bog change. You may want to play around and run some searches. Try some while logged out and some while logged in and play around with your personal settings.