Here’s our roundup of the week’s tech business news. First, the most popular stories VentureBeat published in the last seven days:

nintendo-3dsNintendo 3DS review: Is it worth $249 and $40 per game? — Nintendo has done its best to launch a new era in video games with the release of its 3DS portable gaming system, which went on sale for $249 on Sunday.

Why a fall iPhone 5 release could be brilliant for Apple — You won’t see the iPhone 5 until this fall, according to several sites with insider Apple sources.

Next iPhone software update delayed until the fall? — Speaking of the iPhone, Apple has been pretty quiet about the next version of its mobile operating system, dubbed iOS. But TechCrunch claims that this unannounced software has, in fact, been delayed until the fall.

Firefox 4 on Android will make iPhone users jealous — Mozilla’s latest mobile browser, Firefox 4, officially launched this week after months of testing.

Google: +1 on search links, -1 on ad clicks — Google finally unveiled its +1 social initiative Wednesday, which, similar to Facebook’s Like feature, lets users positively rate their favorite search results. Adding this kind of social feature to search is definitely a good move, but it could also hurt Google’s ad revenues.

And here are five more posts we think are important, thought-provoking, fun, or all of the above:

ev williamsWhat’s Ev Williams working on that’s “bigger and better” than Twitter? — Ev Williams, the cofounder of microblogging service Twitter, who stepped down as CEO last fall to make way for former COO Dick Costolo, said in a blog post this week that he is barely engaged in running the company and is focusing on a new, unnamed startup venture.

Why Wisconsin’s ham-handed anti-wind power crusade blows — Wisconsin made unnecessary jab against the wind power industry, which has been viewed as one of the most attractive options for renewable energy — and it’s for all the wrong reasons.

HuffPo co-founder explains the secrets of viral content — Jonah Peretti, who co-founded both the Huffington Post and BuzzFeed, has spent a lot of time thinking about what makes content go viral. On Wednesday,, he shared some lessons at the Web 2.0 Expo in San Francisco — and in the process, offered some thoughts on the difference between how Google and Facebook look at the world.

NFC is way overhyped, says mobile payment leader Sybase — Some seasoned players in the industry think the technology is over-hyped, and has yet to show any real value.

Google enters group messaging fray with Disco — Google has just quietly launched a group messaging offering, Disco, both as an online service and as an iPhone app.