After the success of Search Plus Your World , Google would surely fine-tune its algorithms to introduce weighted social search signals into Google’s public web search results.
Google organic search was about finding the relevant results for anybody. Google Search Plus Your World is about finding the best results for you.
SEO in 2012 has become all about creating content that motivates people to share via by links or by circles. The conclusion is that you should put effort in optimizing your Google Plus Page, add Google Plus buttons on your web properties, like a Google +1 button to your WordPress blog posts and pages.
SEO for Google+ Page
Search Plus Your World makes it more important to create and focus on optimizing your Google Plus Page
Title or name of your Google+ Page : use a business name, or keywords in your Google+ Page’s Name section
Meta Description: You should include your keywords in description, and it may help you rank better in Search Plus Your World.
Photos : here you can add 5 main photos that would whenever someone looks at your Google Plus Page and could show up Search Plus Your World results . You can add keywords in photos.
Recommended Links : add links that are relevant to business/brand/company, such as your website, Facebook Page, Blog. Use keywords as anchor text.
Describe your services/products. Here is a chance to put in your main keywords subtly.
Build links to your Google+ Page with your keyword in your anchor text . Write guest posts with your Google Plus Page link in your author bio with a rel=”publisher” or rel=”author”
Frequent updates in your Google+ Page (once or twice a week) will indicate that page is active. Fresh content is now part of Google’s algorithm, and so an active Google+ Page will help put it up in Search Plus Your World.
Promote your Google+ Page
Focus on building the number of people who add your Google Plus Page in their circles.
Google has indicated that gaining +1s can help improve your ranking for those who have directly +1ed your content, as well as for those they are connected to. Should it appear for those who aren’t connected it will show an overall +1 count for your page. This will help in click throughs.