What is the difference between the holographic method of recording information from the photographic one?

A part of a regular photograph of an item contains information only about a part of the item. And from any small part of the hologram, you can get a complete image of the object.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.