carl icahnREUTERS/Jeff Zelevansky


Good morning! Here's the tech news you need to know today.
1. Carl Icahn published a new open letter to Apple CEO Tim Cook. In it, he says that Apple shares are worth $240.
4. The CEO of Blackberry says the company's smartphone business will be profitable again. John Chen told Business Insider that Blackberry phones are more secure than iPhones.
6. Apple reportedly abandoned its plans to build a television last year. It spent a decade researching it, but felt that the field was too competitive.
7. Uber's valuation jumped $15 billion in one week. Investor Mike Novogratz said that the company's valuation shot up to $40 billion after its fundraising roadshow.
8. Jay Z slammed Spotify, Apple and Google in a freestyle rap. He used the performance to defend his own streaming service Tidal.
9. A company embroiled in the HP/Autonomy lawsuit is now suing HP for $16.5 million. MicroTech claims that it paid for a product that it never received.
10. Wearable tech company Jawbone reportedly took out a $300 million loan with some harsh terms. In the event of a sale, BlackRock will get paid before the investors who went into earlier rounds.