While Mark Zuckerburg is known for his informal style, he has spent the last 18 month making...

|By:, SA News Editor

While Mark Zuckerburg is known for his informal style, he has spent the last 18 month making Facebook act more like a blue-chip. And ahead of a potential IPO next year, execs have been writing dummy scripts for earnings calls and addressing imaginary questions, and they've written a draft IPO prospectus, the WSJ reports.