1. Modal verb for possibility: "can make a huge difference" uses the modal verb "can" to express possibility or potential, which is a common and natural way to discuss effects or outcomes.
2. Conditional clause: "When a well-known person appears in or shares a video, it instantly gets a massive boost..." uses a first conditional structure to explain a cause-and-effect relationship, making the answer clear and logical.
3. Comparative adverbs: "much more quickly and widely" uses comparative adverbs to emphasize the extent of the video's spread, showing a good grasp of modifying adverbs for emphasis.
4. Present simple tense: The answer consistently uses the present simple tense ("appears," "gets," "are eager," "spreads") to describe general truths or typical situations, which is appropriate for this kind of question.