A second spring of cleaning  —  We're living in a new kind of computing environment.  Everyone has a device, sometimes multiple devices.  It's been a long time since we have had this rate of change—it probably hasn't happened since the birth of personal computing 40 years ago.

Leaked videos show Galaxy S 4 SmartPause, eye tracking, and new lock screen  —  By the time Samsung's Unpacked event rolls around tonight, we might already know everything about the new device.  The latest round of leaks, now helpfully arriving in video form, details two highlight features …

In Rare Move, Apple Goes on the Defensive Against Samsung  —  Apple Inc. is on the defensive.  —  In a rare interview a day before Samsung Electronics Co. announces a new flagship smartphone in New York, Apple marketing chief Phil Schiller on Wednesday played down the expected competition …

Welcome Twitter for Windows 8  —  Today, we are releasing Twitter for Windows 8, a new app that makes it easier than ever to share and discover content on Windows 8 devices.  In addition to familiar Twitter features, including the Home, Connect, Discover, and Me tabs, this app introduces …

Exclusive: U.S. plans to let spy agencies scour Americans' finances  —  (Reuters) - The Obama administration is drawing up plans to give all U.S. spy agencies full access to a massive database that contains financial data on American citizens and others who bank in the country …

Apple now offering iMacs with built-in VESA mount adapters for $40 premium  —  Apple recently updated its online store to reflect availability of a new VESA mount-compatible iMac, with the tweaked version of the thin all-in-one costing in at $40 more than standard models.

Android Chief Andy Rubin Moves to Other Google Projects While Sundar Pichai Takes Over  —  In a surprise announcement, Google just switched around its top leadership.  Andy Rubin, the creator of Android, will no longer manage that team.  Sundar Pichai, the company's head of Chrome and Apps, is adding Android as well.

ITC Postpones iPhone Ban Decision  —  The U.S. International Trade Commission was scheduled to issue a final decision in Samsung's patent infringement case against Apple this week.  Instead, it issued a postponement.  —  The ITC said Wednesday that it is delaying its ruling …

US national vulnerability database hacked  —  Malware infection forces government vuln catalog offline  —  The US government's online catalog of cyber-vulnerabilities has been taken offline - ironically, due to a software vulnerability.  —  The National Institute of Standards …

Twitter's Music App Will Let You Watch, Too, With Help From Vevo  —  If you want a very good idea of what Twitter's music app will look like, you should check out Casey Newton's detailed report at CNET.  —  Back?  Okay.  Here are a few more details I've gleaned from people familiar with Twitter's plans for the app:

Microsoft blames overheating datacenter for 16-hour Outlook outage  —  Microsoft's outlook.com webmail service suffered 16-hour long issues yesterday after a firmware upgrade at the company's datacenter went wrong.  In a blog post detailing the outage, Microsoft reveals some customers …

Twitter Now Supports Line Breaks in Tweets  —  Twitter added support for line breaks Wednesday, a new feature that lets you spread your 140 character message over several different lines.  —  Supported on Twitter.com, as well as through Twitter's official mobile app, the feature can be used …

Um, That's What My Kid Watches, Not Me - With User Profiles Still In Testing, Netflix's Social Sharing Feature Makes No Sense  —  Great news.  You'll now know the viewing preferences of your friends' kids on Netflix, thanks to the service's foray into social sharing via opt-in Facebook integration, announced earlier this morning.