Do you hate those pre-roll ads on YouTube that start before the video you want to see and can only be skipped after a few seconds? Good news, then - Mark Zuckerberg hates them too. The bad news? Well, his social network is planning to introduce another type of ads that might prove to be even more annoying. We're talking about mid-roll ads. These are apparently coming to Facebook videos, and they will interrupt what you're watching. The mid-roll ads will be shown after you've watched a video for 20 seconds. Thankfully they will only be available for videos that are at least 90 seconds long,...
Source: http://www.gsmarena.com/facebook_videos_will_have_ads_in_the_middle-news-22639.php