Facebook just reported its earnings for Q3 2012, with $1.262 billion in quarterly revenue, and an operating profit of $377 million.

A list with more than a millions active email addresses harvested from Facebook apps has shown up for sale in the open market.

If you haven’t completely filled all the information on Facebook, then you will soon see a profile completion percentage bar in the About tab of your profile. The Facebook profile completion meter feature is way to encourage users to fill their complete profile information, which would in turn help Facebook target the right ads for users.

Facebook has rolled out Mobile App Install Ads for iOS and Android, which are demographics and interest based targeted ads that can drive installs and discovery for third party app developers.

Facebook has announced that it will be making its new mobile app install ad units available to all developers.

With developed nations like US and UK in the bag, the social networking giant Facebook is turning its attention to developing nations like India, where millions of new internet users are being added every year. The social networking giant has announced a new promotion, which is going to give any all new users signing up with their mobile phones a Rs. 50 talktime.

Twitter has acquired Cabana, a mobile app development platform, which specializes in making social apps for Facebook and Twitter.

Nearly six months after the launch, the social networking giant has announced today that it is offering free antivirus software downloads for mobile users along with a partnership with seven new partners including Avast, AVG, Avira, Kaspersky Lab, Panda, Total Defense, and Webroot.

Recently, a new change in the Facebook navigation bar (the top blue bar) has been noticed, with the search box pushed close to the Facebook logo, and the icons for messages, notifications and friend request were pushed to the right-hand side, next to the profile image.

The new native Facebook app for Android is currently in its final phase of testing, and the initial release of the app can take around two weeks’ time. That is, we can expect the app to be released by the end of this month at the latest.

Facebook promoted posts lets you pay to have your friends see your comments. How much would you pay to get your friends attention.

Facebook’s monthly active user base has reach one billion users.

Google’s stock is now trading at its all-time high, and may breach the $750 mark, backed by its strong online advertising business.

Facebook announced that it will start charging businesses and merchants to run and promote Facebook Offers on its social network.

Word has it that Facebook is testing out a new feature called as “Photo Syncing” for users of its Facebook for Android app. The new feature will automatically sync all the photos that you take with your Android phone to your Facebook account and saves them somewhere in private.