*

Sources tell All Things D that Facebook game maker Zynga is on the cusp of filing an initial public offering, a move  that could happen this week or next week. The company has been on a roll lately with a string of smaller acquisitions for talent and/or technology, a monthly average of 250 million active users, and profits last year of $400 million on $850 million of sales. (All Things D)

* Barnes & Noble launched a major hardware update to its original Nook e-ink e-reader. Available for pre-order immediately and shipping on or around June 10 for $139, the new WiFi-only Nook measures 5 inches by 6.5 inches, weighs under 7.5 ounces (35% lighter than the Nook first edition), and sports a 6-inch touchscreen that marries infrared technology with a Pearl e-ink display to let users navigate with taps and swipes. (Fortune)

* Microsoft officially unveiled “Mango,” the latest major software update for its Windows Phone 7 platform, which focuses on three major themes — Communications, Apps, and the Internet — and promises over 500 new features, including integrated Twitter and LinkedIn support without the need for separate apps, the ability to group friends together onto a single Live Tile on the Start Screen so you can easily skim their status updates, and “Local Scout,” offering up recommendations for local restaurants, shops, and events. (MobileCrunch and Microsoft)

* The last Xbox co-founder, Otto Berkes, is leaving Microsoft after 18 years for an undisclosed company outside the Seattle area. Among the numerous projects he worked on during his long stint was the much-talked about dual-screen Courier tablet project. (Seattle Times)

* During TechCrunch Disrupt’s second day in New York City, one of the most promising startups that emerged was
Getaround
, what some described as the Airbnb for cars. The new car rental market place lets users rent other people’s personal vehicles by the hour, day or week through a smartphone app; an all-inclusive package throws in insurance, 24-hour roadside assistance, a “Getaround car-kit” or key-less remote, and web app. (TechCrunch and TechCrunch Disrupt)

* An interview with Apple’s first CEO, Michael Scott. (Silicon Alley Insider)

* How Jack Dorsey’s Square startup is accidentally disrupting the entire payments industry. (Fast Company)

* France Telecom CEO Stephane Richard on Apple, Android, and why you should kiss your unlimited plan goodbye. (All Things D)

Don’t miss the latest tech news. Sign up now to get Today in Tech emailed to you each and every morning.