As a marketer, it's essential to know the difference between Cost Per Action (CPA) and Cost Per Mille (CPM). Both are popular pricing models that digital advertising platforms use, but they serve different purposes. CPA, also known as Cost Per Conversion, is a pricing model where an advertiser pays for a specific action taken by a user, such as making a purchase, filling out a form, or subscribing to a newsletter. The advertiser only pays when the user performs the desired action, making it a performance-based pricing model. CPA is ideal for advertisers who want to measure the effectiveness of…