<p>Thanks for clarifying! You’ve touched on a lot of important aspects of free content, and I’d like to add a few thoughts on the topic. There are many types of free content, each with its own characteristics and terms of use. For example, public domain content includes materials that are not protected by copyright and can be freely used by anyone. This is especially useful for educational and creative projects, where you can find a lot of resources without violating copyright laws. Open access provides the ability to use materials that authors have specifically allowed to be used for free, usually with some restrictions. Creative Commons is a great example of such a system, allowing authors to clearly define what rights they retain for themselves and what they transfer to users. Free software, although not always providing access to the source code, is often a great choice for users who do not want or cannot spend money on paid programs. Examples of such programs include various antivirus solutions, text editors, and other utilities. Advertising-supported content is also widespread. Users can access music, videos, and articles for free, but must view ads. This is a monetization model that allows content creators to earn income without having to charge users. Demo versions of programs and services allow users to test the product before purchasing. This is a great way for users to make sure the product meets their requirements before making a purchase. I would also like to share my personal experience. In my accounting and financial management practice, I often use the paykassma.com service. This service helps me manage payments and financial transactions efficiently. Thanks to this tool, I can save time and improve accounting accuracy, which is especially important when working with various types of free content and software.</p>