Instagram is a social media platform that allows users to share photos and videos with others. It was founded in 2010 by Kevin Systrom and Mike Krieger and was initially available only on iOS. The app quickly became popular, and by 2012, it had over 100 million users.

In 2012, Facebook acquired Instagram for $1 billion, which was a significant acquisition at the time. After the acquisition, Instagram continued to grow rapidly, and in 2013, it launched a video-sharing feature to compete with other video-sharing platforms like Vine.

Over the years, Instagram has introduced a number of new features, including Instagram Stories, which allows users to share photos and videos that disappear after 24 hours. This feature was inspired by Snapchat and has become one of the most popular features on the platform.

Instagram has also become a popular platform for influencers and businesses, who use the platform to promote their products and services. In 2016, Instagram introduced business profiles, which allow businesses to track their engagement and promote their content.

In recent years, Instagram has faced some controversies, including concerns about the spread of fake news and misinformation. The platform has taken steps to address these issues, including implementing fact-checking tools and working to remove fake accounts.

Despite these controversies, Instagram remains one of the most popular social media platforms in the world, with over 1 billion monthly active users as of 2021. It has become a cultural phenomenon and has had a significant impact on the way we share and consume visual content online.