Instagram is shifting towards encouraging private sharing over public posting, according to head Adam Mosseri.Mosseri explains that people are sharing more privately due to feeling more comfortable sharing one-on-one than publicly.Social media platforms like Instagram use algorithms to curate content as public sharing decreases.The focus on private sharing aims to maintain engagement and adapt to changing user behaviors.Instagram has integrated messaging features to cater to this shift, aiming for symbiosis between private and public sharing.The shift towards private sharing also aligns with Instagram's business strategy, creating a positive feedback loop for monetization.Threads, a text-based social network by Instagram, originated from efforts to tap into more public conversations akin to Twitter.Mosseri highlights the value of Twitter for public discourse and vibrant communities, influencing the creation of Threads.The decision to launch Threads as a separate app was driven by the goal of creating a more valuable product in the social media landscape.Threads was conceptualized to leverage Instagram's creator strength and identity while focusing on basic replies and threads.