According to Facebook, reach is the number of unique users who had any content from your Facebook Page or about your Page enter their screen. So, in simple terms, it’s the count of Facebook users who came into contact with your brand on Facebook.
What happens after 10k followers on Instagram?
Once you have 10k followers, Instagram will make it easier for you to get people to your website via Stories with the swipe up to link feature. Swipe up is the only way to get a direct link from your Instagram to your other web properties. And, it’s available in STORIES, if you have 10k followers.