Mediabrands Audience Platform G14 chief Arun Kumar talks about the biggest challenges to growth (hint, it's "talent") and how big markets outside the U.S. will expand.

Real-time bidding will never capture 100% of the advertising marketplace, but it will reach mainstream status this year, predicts Adometry's John Dietz.

Blyve, a real-time marketing platform that tracks live events, is rolling out a 2.0 version that offers "deeper social integration."