Google +1 and Google Like
About two months ago, Google launched Google +1, a social sharing button from Google. Yes, everyone who is actively on Facebook knows how it works; it has basically the same concept as “Like button” on Facebook: you like it, you recommend it, and the words are spread. Social sharing has been proven to have a big role on determining page ranking and I guess that is why Google decided to adapt this idea. Yet, Google +1 is still an experiment and it is only available for a small percentage of users of Google.com (for the users of Gmail, Google Reader and Google Buzz).
So what does Google +1 bring to the table? When one of your Google contacts “+ 1'd” a site, their “recommendations” will show up on the search results. Not only “+ 1'd” sites, links which have been shared by Twitter account you follow will also be shown on the results (the feature from Google Social Search). The theory is, people will trust friends' recommendations more because it is more personal and relevant compared to computers' recommendations.
Besides organic search results, +1 is also available for paid search. Based on AdWords official blog, Google +1 would not affect the quality score of an ad and no adjustment is needed on the advertising strategy. I think Google +1 would have influence on CTR and boost the AdWords campaign, because users will be more persuaded to click if they see an ad with high volume of +1s.
The main difference between these two features is located in the word “sharing”. In Google +1, users share their likes with their contacts, while in Google Like, the adjustment and liked pages can only be seen by themselves. In social media era like now, the word “share” plays an important role in online business and Google +1 fulfills the role.
Google Like did not make any effect on ranking, while Google +1 does; although it is still unclear in how Google will measure the ranks from Google +1 and in what way they will project the results.
In Google +1, the order of the results would not be affected by +1s, while in Google Like, users may re-order the search result as what they want. From a social point of view, I believe users will be more attracted to use Google +1 if the “+1'ds” affect the order of the results (most +1'd sites is put on top). However, if we look from a “reliability” point of view, it would be a big disaster if the results are based on the number of “likes”.
1. User Experience
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