We are all 'me-centric' and would like to know what others think about us, what they like about us and so on. Recognizing this need, micro-blogging site Twitter, introduced on Wednesday, two new tabs: “@(username)” and “Activity” which reflect what's happening on Twitter in relation to us.

Facebook has been taking up a number of steps to highlight its 'user safety' factor. Recently it announced that it would restrict access to inmates and now the update on Facebook Security says that the social networking giant has come up with a mobile security tool.

Facebook plans to restrict prisoners from the social networking site as it was reported that the social networking giant has been planning to shut numerous inmates' accounts. These inmates as for now have been able to make a status update, post photos and even parties have been organized with the help of smartphones which have smuggled their way into the jail. Prisoners' rights group may not be in favor of this step, but crime victims and victims' rights group have been only applauding this action.

On Wednesday, a day after Twitter rolled out its photo-sharing service which poses direct competition to TwitPic, TwitPic founder Noah Everett announced the launch of Heello, a startup he has been working on for a year, reported Venture Beat.

The ubiquitous and ever-popular social media has gained one more fan – the New York Police Department. On Wednesday, NYPD declared that it would be setting up a Social Media Unit to track boastful criminals who rave about their activities on platforms such as Facebook, Twitter and MySpace, reported NY Daily News. The Unit will, in the words of NYPD, “mine social media, looking for information about troublesome house parties, gang showdowns and other potential mayhem.”

Online influence determiner Klout has doubled the number of its services adding Blogger, Flickr, Instagram, Last.fm and Tumblr to its scoring system, reported TechCrunch.

Joe Fernandez, Klout CEO told Mashable, “The networks we launched today were chosen to give the Klout score a more holistic view of influence. By adding blogging, photos and music to the interactions that we are already measuring we are moving closer to our goal of providing a complete picture of your influence.”

Los Angeles -- Striving to outshine its rivals in the messaging world, social networking humongous Facebook adopted a novel strategy Tuesday on its mobile efforts debuted Facebook Messenger, a new mobile app for smartphones that lets you send and receive real-time messages with individual friends as well as small groups of friends, send photos, and privately share your location.

The first round of the Apple-Samsung battle was won by Apple with a German Court ordering a preliminary injunction, on the grounds of an alleged infringement of Apple's iPad-related Community design no. 000181607-0001, against the distribution of Samsung's Galaxy Tab 10.1 in the European Union, except the Netherlands.

While this preliminary injunction takes immediate effect in Germany, it could be a while before it becomes effective in the other countries.