Logo is always affixed to the top of the image 15px away from the left most margin and will cover a portion of the safe area. Walter Pauk , the man behind this system of note taking, mainly introduced the concept to students to allow them to clearly and easily gather, organize and study their lecture information. Even though the channel art safe area height is 423px, YouTube displays the image at a height of 176px on desktop. To achieve the smaller size, the image is scaled and not cropped. When promoting your app for iPhone 7, your headline and copy should focus on your app, not on iPhone 7 features. Do not use the words Peek or Pop as a pun in your marketing materials. Do not use the words Peek or Pop in your headline.