Business-networking app Unsocial gets new leadership

The guys over at Unsocial, a mobile app that helps people find business connections in a nearby geographic area, have certainly kept themselves busy. Since launching at VentureBeat’s DiscoveryBeat conference just a few weeks ago, Unsocial has added a new CEO, executive vice president and 10,000 users — just in time to return as the official conference app of GreenBeat 2010.

Nintendo will expand social features with its new 3DS

Nintendo has drawn a lot of notice for its upcoming 3DS game handheld because it lets you watch stereoscopic 3D imagery without 3D glasses. But the new system, which debuts in March in the U.S., also has an expanded social networking feature that the Wall Street Journal says will be critical to its acceptance.

With layoffs and top execs gone, Digg needs to redesign its business, too

Social news aggregator Digg laid off more than a third of its staff Monday in the wake of a failed redesign, and its top sales and finance executives left — suggesting that more than just the website’s look and feel need fixing. In a post on the company blog, new CEO Matt Williams claimed the cuts, affecting 25 out of 67 employees, were needed in order to achieve profitability by mid-2011.

New Digg CEO apologizes to site's fans

Some six weeks after he was hired to be the new chief executive of news aggregator Digg.com, Matt Williams greeted community members for the first time today, apologized for  the site’s botched attempt at a redesign, and announced officially that several old features would be returning.

Digg traffic down, but not out

A month ago, popular news aggregator Digg underwent a redesign that many describe as disastrous. Now, despite bad press, site bugs, and a traffic collapse, the company is trying to put a good face on its current state. It sent letters to publishers this week in an attempt to calm them during what many say is a drop in referral traffic.

CollegeOnly just misses Scoop on college student social networks

The chances that two college-only social networks would launch in the same week seems pretty low. The chances that both networks would also be backed by big name investors seems even lower. But, that’s exactly what’s happened. Along with Scoop, a mobile app backed by Google CEO Eric Schmidt, CollegeOnly launched today backed by PayPal founder Peter Thiel (who’s also on the board of Facebook).

Why the Facebook-Amazon.com integration is bigger than you think

Facebook and Amazon.com partnered Tuesday in what could be one of the social network’s most important integrations yet. Amazon.com now offers a personalized page, where consumers can see product recommendations influenced by friends and their own tastes. They get notifications on when friend’s birthdays are coming up and suggestions on what to buy for them.

ReputationDefender raises $15M to champion privacy on the web

ReputationDefender, a Redwood City-based startup aiming to help people manage their privacy and reputation in a world where more is being published and shared than ever before, raised $15 million in a third round of funding led by JAFCO Ventures. Earlier investors Kleiner Perkins Caufield & Byers along with Bessemer Venture Partners tacked on more funding as well.

Risks and opportunities — what Facebook may unveil tomorrow

Facebook will unveil a raft of new features when it takes the stage tomorrow at its first f8 developer conference in two years. That’s one week after its social networking rival Twitter unveiled its own competitive vision for the social web and finally debuted an ad network at its inaugural developer conference. Who will win this round in the battle for the social web?