* Twitter unveiled and launched a major redesign of the social network, nicknamed #LetsFly, aimed at making the experience of using it faster, simpler, and more accessible. (CNNMoney)

* Citi analyst Richard Gardner believes the next iPad will launch in February with a screen resolution double that of the current model. (Business Insider)

* Google (GOOG) launched its Flipboard competitor, Currents, yesterday for Android devices, iPad, and iPhones. Like Flipboard, the app brings online content together and presents it in a magazine-like layout. Check it out here. (9 to 5 Google)

* IBM (IBM) will buy up the Web-based enterprise software company DemandTec, which offers analytics software to retailers, for $440 million. (The New York Times)

* How a new wave of advertising software is mucking up Facebook, Google, and Yahoo’s ad businesses. (The Wall Street Journal)

* With voice-control apps for navigating the TV popping up, is the conventional remote control on the way out? (Bloomberg Businessweek)

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