Facebook Add Keys 'Like' in the remarks column

Facebook Add Keys 'Like' in the remarks column 
Like This'. the words are now becoming increasingly known as a Facebook user growth continues to increase. General features of 'like' only in status, where one can click it when someone writes status.
Now, the key to bringing Facebook comments field. Facebook users can now also liked the comments written by his friends. thumb icon will be widely available in the comment not only on the status of course.
Although the changes were merely efforts made small changes but that Facebook will be able to push Mark Zuckerberg founded the site was to be the leader in the ranks of social networking.
He put the key, 'like' in the comments are part of the Facebook effort to reach what is called the 'Social Graph' to spoil the user to respond to any existing content on the site.
Six years flying in the virtual world, Facebook i now have approximately 400 million users. A large number of user is one reason for Facebook to make changes.