Maria Ogneva is the Director of Social Media at Attensity , a social media engagement and voice-of-customer platform that helps the social enterprise serve and collaborate with the social customer. You can follow her on Twitter at @themaria or @attensity360 , or find her musings on her personal blog and her company’s blog .

The QR code, or quick response code, is simply a two-dimensional bar code that came into being in 1994 and found a large audience in Japan.

The Social Analyst is a weekly column by Mashable Co-Editor Ben Parr , where he digs into social media trends and how they are affecting companies in the space. Now that the iPhone 4 press conference has wrapped up and we’re all going to get free iPhone cases , it’s time to decompress and look at the big picture for Apple and the iPhone 4. In the nearly 90-minute presentation and Q&A, Steve Jobs provided a compelling and mostly frank defense of his company’s device, which he said is “perhaps the best product we have ever built.” He admitted that there was a problem but put it in the context of other competitive smartphones, which he said have similar issues.

We had a chance to visit the Dream House in Los Angeles that the cast of Simon Fuller’s Hulu reality show If I Can Dream calls home.

Thanks to the modern console, arcade games will never hold as large a place in gaming as they did in the 1970s and 1980s. But there is some good news for reto-gaming fans, as many arcade classics are now available in the App Store just waiting for you to download. Here are five awesome games that have made the leap from coin-operated arcade machine to your iPhone’s screen

Howdy, music lovers! Thanks for checking out this week’s edition of Free Music Monday , where we give you 10 free tracks in honor of the #musicmonday tradition on Twitter. We hope you enjoy this edition’s eclectic selection of free tunes we’ve collected. If there’s a genre you’d like to hear more of, drop us a line in the comments

Howdy, music lovers! Thanks for checking out this week’s edition of Free Music Monday , where we give you 10 free tracks in honor of the #musicmonday tradition on Twitter. We hope you enjoy this edition’s eclectic selection of free tunes we’ve collected.

With Google gearing up to launch Chrome OS, a big hardware partner is reportedly taking a look: Dell. According to Reuters , the computer manufacturer is currently talking to Google about including its new operating system on laptops, though no specific devices are yet to be announced. Dell and Google have already teamed up on a number of devices, so Chrome OS laptops wouldn’t be a huge stretch