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The popularity of some characters increases over time, while the popularity of others decreases. Accordingly, the program tries to suggest more popular characters, for which the algorithm is better developed (due to the large number of iterations), and does not suggest less popular ones (assuming that they will not be guessed anyway, and if they are, the algorithm will most likely not work very well and will lead to some non-standard situation that is not in the database => a dead end). Therefore, the probability that Akinator will guess a "not trendy" character is not very high, although it most likely still exists, but it is rarely realized.
Where do we end up when we save the world?