Virtual friend is a computer program, which converses with a user as though it were a person, a user's actual friend. At present, there exist a few software programs to create virtual friends. However only simple conversation is possible and virtual friend cannot develop into a real world friend. ;The invention defines data structures for more sophisticated conversation. It suggests using actual hidden person behind the virtual friend program, which can interfere into the conversation so that for the user the virtual friend behaves like being a real person. The invention suggests pairing of persons using actual person's properties and desired virtual friend's properties; when desired properties of a virtual friend of a first conversing persons fit with actual properties of second conversing person and desired properties of virtual friend of second conversing persons fit with actual properties of the first conversing person, then such two persons fit each other. Virtual friends can change into actual friends in this way. This invention can create a virtual enemy by replacing the friendly texts with unfriendly texts. ;Using these methods virtual friends can be created, having much more human behavior and a virtual friend can become an actual friend.
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