Editor’s note: Scott Brave is the CTO and co-founder, Baynote . We’ve all watched from the sidelines as companies have come out in a burst of glory, and then, two years later, spent their venture capital, lost their user base, and failed to monetize. This begs the question – what are the factors that drive a company’s survival, differentiate it, and ultimately make it a winner

After intense build-up and a decent initial pop when the market opened, Facebook’s stock ended the day at $38.23. Some analysts are calling the IPO a dud because the stock did not trade well above its offering price

GameStop is hurting. Same store sales fell 5%-11% and revenue was down 17% to $2 billion

Facebook has acquired the mobile gifting and commerce service Karma, according to a blog post on Karma’s website . This is the social network’s fifth mobile-related acquisition in 2012 after Lightbox , Tagtile , Glancee and Instagram . Launched just months ago in December, Karma positions itself as a user-friendly way for consumers to pick out and pay for gifts culled from a curated catalogue of items.

Facebook has just acquired mobile commerce startup Karma , which makes apps for gifting friends and family. The terms of the deal are undisclosed but 16 employees of the startup will be joining Facebook

Over the past week, Facebook has been rolling out redesigns for the “recent activity” box on Timeline and the notification center at the top of the site. Besides visual changes, the features now include in-line controls for adjusting the privacy level of a recent action and choosing whether an app or group can send notifications. The new activity box includes larger images and text, as well as an additional app icon

China’s Internet juggernaut Tencent  announced today that it would undergo a restructuring of its business units into six groups. Ren Yuxin was also named as the new chief operating officer and will head  up the media and social-networking groups. The six groups include: TEG – Technology & Engineering Group, comprised of Tencent Research and operating divisions

There were a few notable additions to our list of emerging Facebook applications by monthly active users this week. We define emerging applications as those that ended with between 100,000 and 1 million MAU in the past week.

There are lots of different approaches to the amorphous market of ‘e-learning’ but only a handful ever feel much like fun. I think amongst the best of these are sites like MangaHigh which teaches Math, or Moshi Monsters which has subtle learning tasks for kids

How timely.