Mobile video is on the rise, and that's not a shock. But the rate at which it is going up is: it's becoming increasingly important to know who is watching mobile video and why.

The first 3 months of 2013 saw an increase of 84% for U.S. ads viewed via a desktop PC or laptop compared to Q1 2012. Mobile devices saw a year on year increase of 27%.

The IAB has a study that shows that 45 million unique visitors from the USA watch Online Professional Online Video.

Digiday and Adap.tv have found some interesting feedback from brands, advertisers, agencies, and publishers about how and where the money is spent in online video advertising. The study reflects the rise of the private video ad marketplace as advertisers find more and more convenience with such services

Following up on the IAB Mobile Video Diaries piece from last week I wanted to more closer at when mobile users watch video and why they do it. We already looked at the results in terms of what they're watching (music videos, movie trailers) and how they share, etc.

Adap.tv put out their latest State of the Video Industry 2012 survey

This week on the Reel Web we offer a tutorial on how to use YouTube's new beta labs feature that lets you poll your audience with interactive survey questions served via YouTube annotations.

This week on the Reel Web we look at the updates YouTube has made in the past week including the roll-out (finally) of custom thumbnails for all monetized users, some experimenting with mood-based video recommendations, their new politics destination channel and more.

New research from Google and Compete on back to school shopping trends in 2012 has found just how profoundly mobile and video have changed the shopping landscape for clothing and apparel. Here are a few highlights: More than 20% apparel consumers use their tablets or mobile devices to shop on a

ComScore recently released some new findings about How Multi-screen Consumers are Changing Media Dynamics for the Coalition for Innovative Media Measurement (CIMM).