programmatic advertising for beginners here's a step-by-step process for programmatic advertising, specifically for showing Apple's 13pro ad on bbc.com. Step 1: Setting up the campaign in DV360:(DSP) The advertiser (Apple) will create a campaign in the demand-side platform (DSP) DV360. In DV360, the advertiser will set up targeting options such as demographics, interests, and behaviors to reach the desired audience for the 13pro ad. The advertiser will also set a budget for the campaign and choose to advertise on both mobile and desktop devices. Step 2: Using Ad Exchange as an application: Once the campaign is set up in DV360, the advertiser will use Ad Exchange as an application to connect with multiple supply-side platforms (SSP) and publishers. Ad Exchange allows the advertiser to access more inventory and have more options for the campaign. Step 3: Using Google Ad Manager as a SSP: The advertiser will then use Google Ad Manager as the SSP to connect with specific publish