We've been living in the age of social media for a long time, but 2011 was the year that all the information we share online began to accrete into something greater than the sum of its parts. It is creating a layer of intelligence that anyone can mine in Web searches and that content creators can use to hone their services.
This is happening more readily because sharing our opinions and photos and status updates online isn't just a stand-alone application anymore—it's now an activity embedded into other things. If you're reading an article online and want to recommend it, you don't have to click over to Facebook to tell your friends you liked it; now that more and more sites are connecting themselves to Facebook's "Open Graph," you can register your approval on Facebook directly from the article's page. This means that your friends can be guided to it when they show up at the same site. Google launched something similar this year, so that you might see certain search results higher if they've been recommended by friends. That was just part of Google's efforts to improve its grasp on social networking this year. After failing last year to gain traction with a Twitter-like network called Buzz, the search giant rolled out Google+, a service that embeds information sharing into many of Google's services.
To read the full, original article click on this link: The Year on the Web - Technology Review
