Today in Tech: Did the Kindle Fire steal the iPad's holiday thunder?

Fortune's curated selection of tech stories from the last 24 hours. Sign up to get the round-up delivered to you each and every day.

* Did the Kindle Fire steal sales away from the iPad this holiday? Morgan Keegan analyst Travis McCourt says Apple (AAPL) may have sold as many as two million less units thanks to Amazon (AMZN). McCourt estimates Amazon may have moved between 4-5 million of its own $199 tablet. (All Things D)

* A Twitter account verified by the social network as belonging to Wendi Deng, wife of Rupert Murdoch, turned out to be fake. @Wendi_Deng churned out a number of indelible Tweets like, ""i think you look HOT ricky [Gervais]!!! (sssh dont tell @rupertmurdoch!)" before the truth was revealed. (The Guardian)

* Research in Motion (RIMM) may shake things up by having co-CEOs Mike Lazaridis and Jim Balsillie give up their co-chairman of the board spots. For now, independent director Barbara Stymiest is believed to be the leading candidate to replace them. (Financial Post)

* Google (GOOG) acquired 217 patents from IBM (IBM) ranging from video conferencing to instant messaging. (9 to 5 Google)

* Luxury car app service Uber is getting some flack after some customers complained they were significantly overcharged for trips taken New Year's Eve without what they argue to be fair warning. The incident has sparked discussion surrounding demand-based pricing. (VentureBeat)

* Why the rise and fall of OpenTable's stock offers a hard lesson investors should pay attention to. (Fortune)

* A nice introduction to the notion of "Big Data," and how such analytics will ultimately prove to be a big game changer in day-to-day business. (The Wall Street Journal)

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