Post high-quality and visually appealing content across different formats like photos, videos, stories and IGTV regularly to appeal to different audiences. Engage actively with followers by responding to comments and messages, asking questions to spark discussions. Boost post visibility using relevant hashtags and location tags, and partner with influencers and brands in your niche through cross-promotion and takeovers to expand reach to new audiences. Utilizing Instagram's engagement and collaboration features can help increase the visibility of content to more people.