What exactly is Google Plus and How to Add It to Your Website1174520
What is Google Plus? and should you buy google +1
The +1 service, enabled inside your Google Profile, lets people annotate search engine results and ads to enable them to publicly recommend webpages. The reach of the feature isn't limited to friends varieties in your social group: all +1's are publicly visible in your profile in addition to visible within the result of searching. People viewing results begin to see the number of Google users that recommend pages within the search results, as well as the names and photos of individuals they know.
Google finds people you know through Gmail, chat contacts, the ones others follow-through Google Reader and Google Buzz. Google says it might include contacts using their company social sites, like Twitter and Flickr, later on. Google says it won't include details about your contacts from Facebook because Facebook details are not shared publicly on the web.
The +1 service works right in the results page. You have to be signed to your Google account and enable +1 prior to the service works. When you search and discover something you believe will be helpful to others, simply click the +1 button that's next to the search result. The information that the +1 service collects gets shared in aggregate, so you will see the number of other people that +1'd a result regardless whether those people are in your social network. Back in your Google profile, there is a new tab where you'll be able to view and edit all of the sites you +1'd, so you can delete +1s on sites you no longer like.
The +1 service extends to Google ads too. All ads have a +1 button next to them, and users can +1 them too. The clever aspect of +1 for ads relates to search results - if the advertiser's page comes up in search results Google will show you the number of +1s for the ad in addition to the +1s for the page itself.
The nice aspect of +1 is that it is relevant to what you're doing at the time: searching for something. While you have to do some work to share a link via Twitter - you have to post the link to your Twitter account and briefly mention what you're sharing - Google's +1 appears right in your search results. You just click the +1 button and you've shared your 'like' for a search result.
Google is slowly introducing +1, starting with its English language search at Google.com. You can give it a spin right away - just login to your Google account, visit the Google Experimental Search Site (google.com/experimental) and enable the +1 service.
A nice feature for advertisers, people that track their search engine results, and those interested in Search Engine Optimization (SEO) is that +1 plays a role in Google's calculation of a site's organic search ranking. Google says, on their AdWords blog, "think of +1 buttons as an enhancement that can help already successful search campaigns perform even better". Google states that they're working on a +1 button for site pages, so that visitors to your site can recommend it without leaving your site.
What does not make sense about the +1 service is how people will use it. A search result is just that - a result. You don't know about the result's usefulness until after you see or use it. Is Google expecting you to go back to the search result page and click the +1 button after you find the page within the search result again? How many people would do that? In addition, tabbed browsers like FireFox, Internet Explorer and others make it easy to open multiple tabs from your search results - I would not go to the effort of going back to the search result page to +1 a result that I found helpful, assuming I can find it again. It's quicker, easier, and more reliable to share a link via Twitter instead.
While +1 is valuable in itself, I'm not sure that I agree with Google going through my social graph to figure out if someone in my group likes what I like. I know a lot of different types of people and don't see how someone I know in HR might be interested in things that I find useful.
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