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.

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.

Intel chip tests surface ahead of Apple, Windows laptops  —  HP Envy 17 uses Intel quad-core mobile processors.  —  (Credit: Hewlett-Packard)  —  New benchmarks point to decent performance jumps for upcoming Intel Ivy Bridge mobile processors.  That should translate pretty directly to faster Apple and Windows laptops.

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 …

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. …

Nokia says smartphone financials will disappoint even as it sells two million Lumia phones in Q1  —  Ahead of its Q1 2012 earnings results, Nokia has lowered its first quarter 2012 financial outlook — the company expects its operating margin will be approximately negative three percent …

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 …

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.

Conde Nast Goes Shopping, Spends $14 Million on ZipList  —  Conde 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.  —  Conde wouldn't disclose a purchase price …

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 …