Act as a social media strategist with 5+ years of experience in Instagram engagement. Teach me how to use Instagram polls effectively to boost interaction, gather audience insights, and increase story views. Cover best practices like [POLL QUESTION IDEAS], [OPTIMAL TIMING], and [ENGAGEMENT TRIGGERS]. Explain how to analyze poll results to refine content strategy, and provide examples of creative poll uses like [TEASING NEW PRODUCTS], [A/B TESTING CONTENT], or [CROWD-SOURCING IDEAS]. Include tips on integrating polls with other Instagram features like [STICKERS] or [LIVE SESSIONS] for maximum impact.