Explaining the advantages and disadvantages and future impact

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A cookie is a small text file that temporarily stores information about users who visit a website.

Cookies can store a user's browsing history and settings information and are used to improve the user's convenience on their next visit.

Third-party cookies, in particular, can track user behavior across different websites and have been widely used to deliver targeted advertising.

However, as privacy protection becomes more important, there is an accelerating movement to restrict the use of third-party cookies. Because cookies contain a lot of user information, there are concerns that third parties may misuse the information.

Various privacy laws are being enacted around the world to strengthen protection of user data and require companies to be more transparent and obtain consent.

Additionally, major browser manufacturers such as Google and Apple have also announced plans to phase out support for third-party cookies, attracting further attention.

The difference between third-party cookies and first-party data
There are two types of cookies: third-party doctor database cookies and first-party cookies, each of which has a different function.

Third Party Cookies
Third party cookies are cookies set by a domain other than the website you are visiting.

This allows ad networks and marketing companies to track your movements across different websites and deliver targeted advertisements based on your interests.

For example, if you search for "running shoes" across multiple websites, cookies can collect information about your search behavior and serve relevant advertisements to you.

From a marketing perspective, there is the benefit of being able to track user behavior, but as mentioned above, third-party cookies span multiple sites, which poses security issues.

First-party cookies
First-party cookies, on the other hand, are those collected by a website visited directly by a user.

This information includes user login information, browsing history, purchase history, etc.

First-party cookies are often collected with the user's consent and are considered to be highly reliable from the perspective of privacy protection.

By leveraging first-party data, companies can provide users with personalized services and content.

In recent years, as advertising using third-party cookies has begun to come into question, the importance of first-party cookies, which do not span multiple websites, is increasing.