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Facebook files an amended S-1 because of its "special arrangement" with Zynga. Here's the filing.

After Yang: Yahoo to lose four board members. Baby Slingshot: The top 5 most talked about Super Bowl commercials on social media.

Some fresh links for your afternoon coffee break, including plans by Amazon.com to open a bricks-and-mortar store in Seattle.

The wait is finally over. On Wednesday, Facebook finally filed with the SEC for an IPO that could raise as much as $5 billion. Mark Zuckerberg’s company didn’t disclose how many shares it would sell or at what price (that usually comes in future filings), but the company is expected to trade under the ticker […]

Unknown: We still don't know who Mitt Romney really is, says New York mag. A Miss: Amazon's Q4 profit drops 57%. Jerry the Bear: The top 15 women to watch in 2012, including Hannah Chung and Sarah Wood. Much Lower than Excepted: Facebook to file for a $5 billion IPO. Morgan Stanley is on the left. And, Facebook's board is meeting today to give a go ahead to the IPO. No Rocky Here: Newt Gingrich was sued for using "Eye of the Tiger" as his campaign song. Dead Wood Board Members: You've got to know when to go, says Lucy Marcus.

Join the Flock: Here's the Twitter recruiting video that's so bad it's amazing. What about the Hairband? How much it costs to send a celebrity down the red carpet. The Core: The Deal talks to Steve Case and Scott Case about the Startup America Partnership. No BS: How Dick Costolo kicked investors off of Twitters board and regained control. A Little Clarity: If carried interest irks you, you don't get it. Rumors: Does Twitter really want to buy Tumbler? Or not... Raiders or ET: What's the best Steven Spielberg movie of all time? vismodegib: FDA approves a drug to treat advanced cases of basal cell skin cancer. Looking Up Reviews: How Americans used their phones to help with buying during the holidays. Bad Form: Jackie Ramos vs. Bank of America part 2. Warning: Here's the video, "Sh*t Programmers Say."

Apple Cares, Really: Tim Cook responds to claims of factory worker mistreatment. A Tribute: Here's every Dr. Who story since 1963 in a 9 minute video and the Daleks haven't changed at all. Celebration: Happy national Chocolate Cake Day! And here's 10 recipes. Updated Policies: Twitter will censor tweets deemed illegal or harmful in other countries. We've done Trailmix for the Cloud: Sh*t startup people say. Still Impartial? Page rage escalates as Google cancels Twitter Android meeting. Who Wins: Peter Thiel and Accel among investors to make fortunes off the Facebook IPO. And, can regular investors get a piece of Facebook? A Matter of [REALLY BAD] Taste: Contestants on "Fear Factor" this Monday drink donkey semen. Say It Ain't So: Is it time to say goodbye to Siri? Vote here. Contrarian view: Traditional Hollywood is dead. New Hollywood takes over. Epicurean Dealmaker: John Carney gives us the best alternative financial blogs.

The Attack: Buyout firms allegedly destroy jobs of real people but its the returns to investors that's the real problem. In Defense: Private equity finds a haven at Wharton. And, how to think about private equity from The American. Discount: Starting in June, Apple employees get $500 off new Macs and $250 off iPads. What About the Bonuses: Credit Suisse banker pay for 2011 to drops 30%. A Symbol of Injustice or part of the 1%? Warren Buffett's secretary likely makes between $200K to $500K a year. SOPA Aftermath: Jason Calacanis thinks we need to empower Hollywood, not kill it. Ivy Gate: Is Yale a "clandestine network of Freemasons"? Connected to the mob? One T.A. thought so. Warning: Symantec tells customers to stop using its pcAnywhere software because hackers have stolen its old source code. Sitting All Day Can Kill You: How to counteract the effects of an office job. Sale: WaveDivision hires RBC and Waller Capital for a sale that could fetch $1 bln.

How Big Is It? Mobile app usage far exceeds web usage. Disrupting Traditional VC: Matt Mullenweg on the evolution of investing. Total Embarrassment: The most humiliating accidental status updates ever posted on Facebook. Endearing: President Obama intentionally made that "spilled milk" joke. We Believe It: Apple sold more iPhones in its fiscal Q1 than babies born on Earth. Blowback: Why you should be very afraid of a private equity president. More Common than Adultery: Nagging is hard to stop and is a marriage killer. Solving Problems: How to judge whether a new venture has a future in 15 seconds. Really that Happy? Romenesko tries to determine what Target thinks of those recurring SNL sketches.

Stop the Confusion: The difference between private equity and venture capital. Finally: Google+ to allow pseudonyms and nicknames. Year of The Dragon: Warren Buffett plays a ukelele to celebrate. Not a Good Thing: Macy's sues Martha Stewart. In the Digital Age: SCT rules that police must get a warrant if they attach a GPS tracker to a suspect's vehicle. No Bias: LCD looks at the default rate of PE-backed issuers vs. non-sponsors. He Stole My Weed: Marc Cenedella's proposed Senate run may be no more after this NY Times story.