1. Use of adverbs for emphasis: "extremely popular" uses an adverb to intensify the adjective, showing a strong degree of popularity.
2. Present simple tense: The answer consistently uses the present simple tense ("are," "keep," "is") to describe general facts and habits, which is appropriate for this type of question.
3. Use of participial phrase: "showing just how much people love them" is a participial phrase that adds extra information about the previous clause, demonstrating more complex sentence structure.