Exclusive: Watch Steve Jobs' First Demonstration of the Mac for the Public, Unseen Since 1984  —  It's January, 1984.  Steve Jobs, nattily attired in a double-breasted suit, is demonstrating Apple's breakthrough personal computer, Macintosh, before a packed room.

For some, Twitter is becoming less about relevancy and more about one-liners  —  Valley of the Blahs: How Justin Bieber's Troubles Exposed Twitter's Achilles' Heel  —  At some point, Twitter and the rest of social media became less about wanting to share the news and more about wanting to be the news.

Google and Samsung reach global patent cross-licensing agreement covering “the two companies' existing patents as well as those filed over the next 10 years”  —  Google and Samsung reach global patent license deal  —  In a move that could have big implications …

Michaels investigating possible “data security attack” after fraudulent credit card purchases lead back to its stores  —  Sources: Card Breach at Michaels Stores  —  Multiple sources in the banking industry say they are tracking a pattern of fraud on cards that were all recently used …

How a Math Genius Hacked OkCupid to Find True Love  —  Chris McKinlay was folded  —  into a cramped fifth-floor cubicle in UCLA's math sciences building, lit by a single bulb and the glow from his monitor.  It was 3 in the morn­ing, the optimal time to squeeze cycles out of the supercomputer …

51 Startup Failure Post-Mortems … On his many failed experiments, Thomas Edison once said … And so while we have dug into the data behind startups that have died (as well as those acqui-hired) and found they usually die 20 months after raising financing and after having raised about $1.3 million …

Hackers Steal Law Enforcement Inquiry Documents from Microsoft  —  Recent Phishing Attacks Compromised Employee Email, Social Media Accounts at Microsoft  —  [Update] Microsoft on Friday said that attackers breached the email accounts of a “select number” of employees …

How WordPress has embodied and benefited from the principles of open source  —  The Four Freedoms  —  Eleven months before the U.S. declared war on Japan, President Franklin D. Roosevelt said “As men do not live by bread alone, they do not fight by armaments alone.”

Chromebooks accounted for 19% of U.S. K-12 mobile computer purchases in 2013  —  Chromebooks Take Other Mobile PCs to School  —  The Inexpensive Laptops Grab Fifth of U.S. Educational Purchases  —  Chromebooks have come from nowhere to grab nearly a fifth of U.S. school purchases of mobile computers …

Foxconn Weighs Plan for U.S. Plant  —  Taiwanese Tech Manufacturer Would Make Displays at U.S. Facility  —  TAIPEI— Hon Hai Precision Industry Co. , which assembles gadgets for Apple Inc. and other global technology firms, is evaluating a plan to build an advanced display manufacturing plant in the U.S., its chairman said.

Nine-year-old NSA website seeks to educate and recruit kids with cartoon characters, games  —  On Children's Website, N.S.A. Puts a Furry, Smiley Face on Its Mission  —  WASHINGTON — The turtle wearing a hat backward, baggy jeans and purple sunglasses looks just like other cartoon characters …

Bay area tech companies should give back and promote good public policy in their community  —  It Doesn't Have To Be This Way  —  There is a story being told about us here in the tech industry in San Francisco — that we are entitled, or that we are oblivious.  I don't believe that's true.