Which of the following is a common format for digital advertising?

Banner ads are a prevalent format in digital advertising due to their ability to reach a wide audience across various websites and platforms. They usually consist of a visual display that can include images, text, and even animations, designed to attract attention and encourage viewers to click through to the advertiser's website. The interactive nature of banner ads allows advertisers to track engagement and effectiveness, making them a vital tool in online marketing strategies. This format is specifically tailored for digital environments, unlike television commercials, print ads, and radio spots, which are traditional advertising methods.