On one hand, consumers have short attention spans, and on the other, studies have shown that longer video can perform better... first consider the goal of the campaign.... Determining performance on marketing-based goals can be a bit complicated to pin down... If site perusal is your goal, short video is best... Why produce a long video when you…

we’re seeing early signs that the value of a mobile user is greater than a desktop user... Facebook’s... shift from desktop to mobile has led to much higher engagement and average revenue... exactly the opposite of what everyone predicted. investing millions in rich video experiences... But isn’t a larger screen more immersive than a small mobil…