* LivingSocial CEO: We are not the same as Groupon

* Big deal: ABB buying Thomas & Betts for $3.9 billion

* Tanzina Vega: Why newspaper publishers still find buyers

* Morning Call: U.S. futures point lower on Greece, London falls early, European shares slump and the Nikkei drags.

* RIM’s Lazaridis: Why I stepped down

* An investor’s worst enemy: His brain

* Barb Darrow: Davos does big data

* Distribution alert: Betaworks pays it back

* Chris Arnold: Freddie Mac betting against homeowners

* Buh Bye? Citi chairman Parsons considers departure

* Stevie Van Zandt: It’s the performance, stupid

* Wade Roush: Apple textbook flap is about teaching, not books

* So important: Obama pushes colleges to keep tuition under control

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* Tweet rebuttal of the day: @danprimack Just to preempt: Facebook will not be close to largest IPO in history if it’s $10 billion. Just the largest tech IPO… @EpicureanDeal: No, Dan, you just don’t understand. FACEBOOK WILL BE THE LARGEST IPO IN THE HISTORY OF TWITTER AND HENCE THE UNIVERSE.