• Don't panic! It's just that Facebook has been down

  Facebook has been down on Tuesday night, giving users error messages or long response times.

• Facebook set to beef up Instagram with video?

  Speculation abounds that Facebook Thursday will unveil tools to enable its popular Instagram app to take and share short videos.

• Yahoo discloses user data requests from US law enforcement agencies

  Yahoo has received between 12,000 to 13,000 requests for user data from law enforcement agencies in the U.S. between Dec. 1 and May 31 this year, the company said Monday.

• Facebook, Microsoft disclose little on national security requests

  Facebook and Microsoft each fielded thousands of requests for user data as part of law enforcement investigations from U.S. authorities in the second half of last year, they said late Friday.

• Facebook to announce mysterious new product

  Facebook appears to have a new product up its sleeve that it will unveil on Thursday at its headquarters in Menlo Park, California.

• How-to: Get started with MySQL

  An easy step-by-step guide to setting up a MySQL database server, along with phpMyAdmin, on Fedora, CentOS, or Ubuntu

• Should I protect my tweets?

  When I signed up for a Twitter account in the summer of 2009 I spent some time thinking about whether or not I should protect my tweets. As a novice Twitter user, I had to decide whether the benefits of protecting my tweets outweighed the drawbacks. Looking back, I do not regret my decision to protect my tweets, and I'll tell you why.

• Stop Facebook from cluttering your inbox

  There's a fine line between awesome and annoying. Take Facebook: Most of the time, it's great, but a few things about the service drive me crazy.

• Facebook social inbox: What you need to know about messages

  Back in November 2010, Facebook announced plans for a "social inbox" -- a space that would serve as a hub for all communications that people use online or via mobile phones, ranging from text messages and chat messages to e-mail messages, too.

• Facebook Ads secrets from an insider

  Many people log on to Facebook primarily for fun, but businesses are increasingly turning to the social networking site as an advertising gold mine. By placing ads on Facebook, you can zero in on a select portion of some half a billion users according to their interests and demographics.

• Google buys Waze and puts the squeeze on Facebook and Apple

  With Google set to buy app-maker Waze, the question is whether Google actually needs the crowd-sourced traffic app or is simply trying to stick it to its competitors.

• The social network wars are over. The winner: email!

  With every new social network and social service, with every new instant and not-so-instant way to communicate, email rises in importance. Columnist Mile Elgan explains how innovation has transformed email into the best social network.

• Despite Schmidt's timeline, Google may ship Glass in 2013

  Just a month after a top Google executive said Glass wouldn't be officially released for another year, sources say the computerized eyeglasses actually should ship by the end of this year.

• State social media privacy laws a mixed bag for businesses

  New social media privacy laws that have been enacted in several states around the country, or are in the works, present something of a mixed bag for businesses.

• Facebook on a mobile roll

  Facebook last week cited mobile growth as a major contributor to its first-quarter increase in sales and profits.

Whitepapers about Facebook

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  Networking or Not Working | Facing Up to the Facebook Dilemma

  This White Paper weighs up Facebook’s pros and cons, and shows how to keep your company safe – whatever policy you choose to implement.

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  Risk and Reward: Business Opportunities and the IT Security Challenge