Instagram now lets you see when your friends are online

Now your friends can see exactly how much time you spend lurking on Instagram.
Instagram announced Thursday the rollout of a new feature that will let your followers see when you're using the app. The concept is similar to Facebook Messenger: when someone you follow or have previously messaged with, is "active" in the app, Instagram will show a small green bubble next to their name to let you know that they're online.
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Instagram explaine