Social:

• Facebook, showed 40 percent revenue growth, which would be fine for most companies, but perhaps not so much for a trailing stock price over earnings ratio of 161 (about 10 times the valuation of Apple per dollar of earnings). The severe reduction in growth shows a curve that may undershoot expected growth that would justify its current market capitalization of $67 billion.

Rise of the Robots:

• Even people in the real-time bidding space are recommending publishers use caution in how they mix their pools of media among real-time bidding and direct sales options..

Publishing

• Time Inc. is laying off about 480 people, about one in 16 employees, telling its staff in a memo acquired by Adweek

Authorship

• Silverpop gives its blessing to taking the plunge and participating in Google+'s Authorship system, deeming it - on balance - worth the trouble.