U.S. Files Antitrust Lawsuit Against Apple, Hachette  —  The U.S. filed an antitrust lawsuit against Apple Corp., Hachette SA, HarperCollins, Macmillan, Penguin and Simon & Schuster in New York district court, claiming collusion over eBook pricing.  Apple and Macmillan …

Google+ Gets A Big Refresh With New Navigation, A Redesigned Stream, A Dedicated Hangouts Page & More  —  Google this morning is announcing a new look for its social network, Google+, which introduces a revamped navigation, with drag-and-drop elements and actions that appear when you hover over each item …

Google's $12 Billion Toy  —  Here's a business riddle: Divine Google Inc.'s intentions for its largest-ever acquisition, the $12.5 billion purchase of the once-great, now-faltering Motorola Mobility Holdings Inc.  —  Motorola represents one of the thorniest strategic and operational challenges in Google's 14-year history.

Is AT&T's sales force prepared to sell the Nokia Lumia 900?  —  AT&T stores in Manhattan promoted the release of the new Nokia Lumia 900 Windows Phone, but some sales associates were not prepared to recommend it to customers.  —  (Credit: CNET/Marguerite Reardon)

Intel: ultrabook prices will drop to $699, 75 new designs already in the pipeline  —  After teasing 50 new ultrabook designs for CES earlier this year, Intel's now promising we'll see 75 even newer SKUs over the coming months.  The x86 chip designer and producer is feeling bullish …

Google Currents goes international  —  In December we launched Google Currents, an app for Android and iOS devices that lets you explore online magazines and other content with the swipe of a finger.  We're thrilled by how many readers and publishers are using the app in the U.S. …

Evernote and Pinterest just had a baby: Enter the new Springpad  —  Springpad has long been compared to Internet note-taking sensation Evernote, but starting today Springpad will likely be compared to another darling of the startup world, visually oriented social network Pinterest.

Silicon Valley, London, NYC: Startup Genome Data Reveals How The World's Top Tech Hubs Stack Up  —  Last year, we covered an ambitious collaborative R&D project called “Startup Genome,” created by three young entrepreneurs, Bjoern Herrmann, Max Marmer, and Ertan Dogrultan.

Condé Nast Goes Shopping, Spends $14 Million on ZipList  —  Condé Nast hasn't gone shopping for digital assets for several years.  But that's changing now: The magazine publisher has just picked up ZipList, a shopping list/recipe planner.  —  Condé wouldn't disclose …

Amazon Now Lets You Trade In Your Old CDs In Exchange For Gift Cards  —  Online retailer Amazon is extending its Trade-In Program today to also cover CDs - you know, those round, shiny things collecting dust in the back of your closet?  Starting now, customers can send in their old CDs …

Yammer Buys OneDrum To Add Collaborative Microsoft Office Editing To Enterprise Social Network  —  Flush with $85 million in new funding, Yammer is spending some of its newly minted cash today with the acquisition of OneDrum, a Scotland-based startup that allows you to co-author …

This Internet provider pledges to put your privacy first.  Always.  —  Nick Merrill, who challenged a demand from the FBI for user data, wants to create the world's first Internet provider designed to be surveillance-resistant.  —  (Credit: Sarah Tew/CNET)

Facebook Allows File Sharing With Rollout Of .Edu-Exclusive “Groups For Schools”  —  With today's rollout of college collaboration tool “Groups For Schools”, Facebook gets nostalgic for Zuck's Wirehog and lets students share un-copyrighted files up to 25mb.  Soon all U.S. colleges …

Spotify Moves Beyond Facebook With a “Play Button” For the Rest of the Web  —  If you're on Facebook, then you've almost certainly seen Spotify, which is why the music service has been able to pick up some 3 million users since it launched in the U.S. last summer.

Verizon to intro $30 upgrade fee on April 22nd  —  Verizon Wireless on Wednesday confirmed that it will soon begin charging subscribers a $30 upgrade fee when they purchase new wireless equipment on contract.  Verizon is currently the only major carrier that does not charge customers a fee …