Did everybody see what just happened?  The pendulum has swung.  —  The feeling was palpable.  Y Combinator had sixty-five companies present (42Floors was one of them).  And we saw 500 eager investors, frenzied almost, excited to invest in entrepreneurs.  One investor emailed me four times …

On Release Date, Crucial Nokia Phone Is Hard to Buy in New York  —  AT&T said last month that when Nokia's new Lumia 900 phone went on sale April 8, it would benefit from the company's biggest product introduction ever, exceeding even the iPhone's.  —  The big day is here.

AT&T's iPhone unlock process detailed: A quick online chat, Apple does the unlocking, requires IMEI only  —  If you're looking to have your iPhone unlocked from AT&T's service, you can do so over the company's online chat and Apple is the one actually doing the unlocking.

Netflix offers details on its recommendation engine, says it guides 75 percent of viewership  —  Neftlix has taken to its blog to post part one of an exploration into its recommendation engine.  The company offers little in terms of hard data and algorithms (those are promised for part two) …

Thorsten Heins: Into RIM's Ring of Fire  —  On a recent Friday afternoon, Thorsten Heins, the 54-year-old chief executive officer of Research In Motion (RIMM), entered a drab conference room at the company's headquarters in Waterloo, Ont., and endeavored to explain why he was the right man for an impossible job.

While Apple Is Criticized for Foxconn, Other Companies Are Silent  —  Apple's rivals are quick to say how much better, faster, cheaper or more popular their smartphones, computers and tablets are.  —  Yet when it comes to working conditions in the Chinese factories that build these competing products …

Selling You on Facebook  —  Many popular Facebook apps are obtaining sensitive information about users—and users' friends—so don't be surprised if details about your religious, political and even sexual preferences start popping up in unexpected places.  —  Not so long ago, there was a familiar product called software.

Netflix forms PAC  —  In yet another move to boost its Washington profile, Netflix has formed a political action committee, new federal records indicate.  —  Called FLIXPAC, the committee may now make contributions donations directly to federal candidates — up to $5,000 per election.

One Laptop per Child program not improving math or language test scores, according to study  —  The One Laptop per Child (OLPC) program started shipping its affordable and durable computers to students in developing countries back in 2007, and since then well over a million have been deployed to countries around the world.

Square COO Keith Rabois Explains The Death Of The Web And How Square Will Move Beyond Payments  —  Keith Rabois has already lived several successful lives in Silicon Valley.  —  Like a lot of today's tech bigwigs, Rabois started his career at PayPal, then moved on to become an angel investor …

Universal Studios' Movies Now Available on iCloud  —  Several readers have noticed that Universal Studios' movies are now available for re-download through Apple's iCloud service.  In March we reported that both Fox and Universal were not yet participating in iCloud video streaming due to contractual obligations with HBO.

What you need to know about the Flashback trojan  —  We've entered a new era in Mac security, but there's no need to panic  —  On April 4, Russian antivirus vendor Dr. Web published strong evidence that more than 500,000 Macs have been infected by the latest variant of the Flashback trojan.