Micro-influencers and brand ambassadors are two different approaches to boosting brand visibility and trust on social media.Micro-influencers have a modest but highly engaged online community, while brand ambassadors form long-term partnerships with brands.Micro-influencers focus on short-term campaigns and target specific niches, while brand ambassadors represent the brand to a larger audience.Micro-influencers share authentic, casual content, while brand ambassadors produce polished content aligned with the brand's image.