What are marketing cookies?

Marketing cookies are used by websites and advertisers to track a user’s online activity and serve targeted ads based on their browsing history and interests. These cookies are usually set by third-party companies and can be useful for businesses to target their ads to users. However, there are concerns about the privacy of users. Some countries have implemented laws (e.g. GDPR, CCPA) that require websites to obtain consent from users before setting marketing cookies to protect their privacy. Here is an example of how a typical marketing cookie works: