With the dropping of the 30-second unskippable ad, YouTube will now force marketers to rely on the other ad formats to available to them. All of these formats are shorter than the 30 second one, clocking in at 15 seconds, 5 seconds, or a 30 second ad that can be skipped after 5 seconds. This means that marketers will be forced to adjust their advertising strategy to a shorter window of time. This could prove a boon to marketers, as quicker, more engaging content will be required of them to continue grabbing customer attention. Get the full story at the Mobile Marketer