* Henry Blodget: What is Facebook’s real valuation?

* First rule of insider trading: Don’t talk about insider trading

* Morning Call: U.S. futures rise ahead of jobs data, European shares rally and the Nikkei slips.

* Go big in Tokyo: Japan Airlines preps $8.5 billion IPO

* Mohamed El-Erian: Central banks can’t save the world

* Felix Salmon: Why would Treasury want to issue floaters?

* Big list: The world’s 50 most successful digital media companies

* Vikash Varma: The 4G security threat for mobile developers

* Get Term Sheet: Sign up for our daily email on deals & deal-makers

* Tweet of the Day: @LaMonicaBuzz $FB $ZNGA $GRPN were doing so well with aluminum bats in college, aka SecondMarket. It’s a little harder to hit with wood up in the majors.